680 likes | 1.09k Views
Passeriformes IV. Emberizidae Icteridae Fringillidae Passeridae. Passeriformes: Passerine or perching birds. Field Marks: Range in size from tiny Bushtit to the Common Raven Feet anisodactyl and neither lobed, webbed, nor semipalmate
E N D
Passeriformes IV Emberizidae Icteridae Fringillidae Passeridae
Passeriformes: Passerine or perching birds • Field Marks: • Range in size from tiny Bushtit to the Common Raven • Feet anisodactyl and neither lobed, webbed, nor semipalmate • Hallux usually incumbent and equal to or longer than rest of toes • Foot structure referred to as “perching foot,” unique to this group • Wings have either 9 or 10 primaries • Life History: • Includes insectivores, granivores, frugivores, carnivores, and omnivores • Young are altricial, naked and reared in the nest • Roughly 60% of all birds belong to this order, the world’s largest order of birds • Divided into two suborders: suboscines and oscines • Distribution: • Present everywhere, except Antarctica and the oceans
Emberizidae: New World Sparrows • Field Marks: • Brown, streaked appearance • Rounded wings • Conical bills • Sex: Mostly monomorphic • Habitat: • Ranges from desert to grassland to mature coniferous forest • Life History: • Most eat insects in breeding season, and seeds at other times • Glean food from surface of ground or low vegetation • Most migrate short distances or are permanent residents • Many form large winter flocks • Belong to the large group of New World nine-primaried oscines • Among oldest on record: 13 yrs, 4 mos • Distribution: • 319 species in 72 genera, mostly in the Americas • 50 species in 18 genera in North America
©Photos by Peter LaTourrette California TowheePipilo crissalis • Order: Passeriformes • Family: Emberizidae • Field Marks: • Gray-brown overall with cinnamon undertail coverts • Long tail • Stout bill • Large size • Sex: Monomorphic • Habitat: • Chaparral, riparian woodlands • Life History: • Nonmigratory; occurs year round in CA • Relatively tolerant of urban and suburban areas • Conservation: • CA Endangered Species and Federal Threatened species – Inyo subspecies eremophilus only, an isolated population of fewer than 150 • Causes include habitat degradation from development, fire, grazing, non-native plants, and OHVs
©Photos by Peter LaTourrette California TowheePipilo crissalis • Accelerating series of high teek notes, • often lower at end • teek teek teek eek eekeekeekeek t-t-t-t-teek.
Male ©Photo by Peter LaTourrette Male ©Photo by Bob Steele Spotted TowheePipilo maculatus • Order: Passeriformes • Family: Emberizidae • Field Marks: • Brownish-gray to black upperparts with white spots and streaks • Underparts white with rufous flanks • Long tail • Stout bill • Large size • Sex: • Sexes similar, but females tend to be paler, with more brown or gray than black plumage • Habitat: • Scrub and woodland habitats, associated with dense brush • Life History: • Occurs year-round in CA; some populations migratory • Forage on the ground using a “double-scratch” maneuver
Male ©Photo by Peter LaTourrette Male ©Photo by Bob Steele Spotted TowheePipilo maculatus • Varies; several introductory notes • followed by a harsh or buzzy trill • Call a harsh, rising, whiny • zhree
©Photo by Peter LaTourrette ©Photo by Kent Keller Green-tailed TowheePipilo chlorurus • Order: Passeriformes • Family: Emberizidae • Field Marks: • Olive-green upperparts with bright greenish-yellow wings and tail • Gray head and breast with contrasting rufous crown and white throat • Long tail • Stout bill • Large size • Sex: Monomorphic • Habitat: Scrub and woodland habitats • Life History: • Short-distance neotropical migrant • Secretive, and poorly studied
©Photos by Bob Steele Black-throated SparrowAmphispiza bilineata • Order: Passeriformes • Family: Emberizidae • Field Marks: • Smooth grayish-brown back and pale underparts • Black, triangular throat patch • White supercilium and malar • Blackish tail with white tips on outermost rectrices • Sex: Monomorphic • Habitat: Desert scrub • Life History: • Some subspecies migratory; primarily occurs in CA in breeding season, year round in extreme southeastern CA
©Photo by Peter LaTourrette ©Photo by Bob Steele Sage SparrowAmphispiza belli • Order: Passeriformes • Family: Emberizidae • Field Marks: • Grayish-brown upperparts with grayer head, darker tail • White underparts with a dark breast spot • Buffy-gray flanks with dusky streaks • White eye ring and supraloral spot • White malar stripe bordered by dark lateral throat stripe • Sex: Monomorphic • Habitat: Chaparral, sagebrush shrub-steppe • Life History: • Some subspecies migratory; occurs year-round in CA • Tends to run on the ground from shrub to shrub • Conservation: • CA Species of Special Concern – Bell’s subspecies belli only • Federal Threatened Species – San Clemente subspecies clementeae only • Causes include loss of habitat due to livestock, fire, & fire suppression
©Photos by Peter LaTourrette Chipping SparrowSpizella passerina • Order: Passeriformes • Family: Emberizidae • Field Marks: • Brown streaked wings and back • Gray nape, rump, and unstreaked breast • Two pale wing bars • Brown to rufous crown, with pale supercilium and dark eye line • In alternate plumage, crown becomes brighter rufous with white supercilium and black eye line • Short, sharp-pointed, pinkish bill • Long, notched tail • Sex: Monomorphic • Habitat: Coniferous forests, especially near edges • Life History: • Neotropical migrant • May molt head feathers up to six times a year
©Photos by Bob Steele Black-chinned SparrowSpizella atrogularis • Order: Passeriformes • Family: Emberizidae • Field Marks: • Brown streaked wings and back • Gray head, rump, and unstreaked underparts • Short, sharp-pointed pinkish bill • Long, notched tail • Sex: • In alternate plumage, males have black lores, chin, and throat • Habitat: Chaparral, sagebrush shrub-steppe • Life History: • Neotropical migrant
©Photo by Peter LaTourrette ©Photo by Steve Messick Vesper SparrowPooecetes gramineus • Order: Passeriformes • Family: Emberizidae • Field Marks: • Grayish-brown streaked upperparts and white streaked underparts • Whitish eye ring and malar, extending around cheek • Pale center of cheek patch with dark edges • Indistinct gray supercilium • White outer tail rectrices • Rufous lesser coverts (rarely visible) • Sex: Monomorphic • Habitat: Grasslands • Life History: • Partially migratory; occurs in CA in winter • Named for its habit of singing into the evening (Vespers refer to evening prayers)
©Photo by Peter LaTourrette ©Photo by Bob Steele Savannah SparrowPasserculus sandwichensis • Order: Passeriformes • Family: Emberizidae • Field Marks: • Brownish or grayish streaked upperparts • Whitish underparts streaked with brown • Whitish median crown stripe and beige to yellow supercilium • Short, notched tail • Outer rectrices may be paler than rest, but not white • Sex: Monomorphic • Habitat: Grasslands and marshes • Life History: • Most populations migratory; occurs year-round in CA • Conservation: • CA Endangered Species – Belding’s subspecies beldingi only • CA Species of Special Concern – Large-billed subspecies rostratus only • Causes include loss of wetland habitat
©Photos by Peter LaTourrette Lark SparrowChondestes grammacus • Order: Passeriformes • Family: Emberizidae • Field Marks: • Brownish gray streaked upperparts • Plain whitish underparts with bold central spot • Harlequin face pattern • Two pale wing bars • White outer rectrices • Sex: Monomorphic • Habitat: Grasslands • Life History: • Occurs year-round in CA • In courtship, males perform a turkey-like strutting, with tail upright, flashing white outer tail feathers
©Photo by Bob Steele ©Photo by Steve Messick Grasshopper SparrowAmmodramus savannarum • Order: Passeriformes • Family: Emberizidae • Field Marks: • Grayish-brown back with intricate pattern of rufous and black spots • Grayish streaked nape • Cream-buff unstreaked breast • White median crown-stripe, buffy face, and yellow supraloral spot • Short tail with very pointed rectrices • Large bill • Sex: Monomorphic • Habitat: Grasslands • Life History: • Neotropical migrant • Named for its grasshopper-like song
©Photos by Peter LaTourrette Fox SparrowPasserella iliaca • Order: Passeriformes • Family: Emberizidae • Field Marks: • Brown to gray upperparts with slightly redder wings and tail • White underparts with large triangular spots • No wing bars • Usually yellow bill • Sex: Monomorphic • Habitat: Riparian woodland, chaparral • Life History: • All populations migrate to varying degrees • Both breeding and wintering populations occur in different parts of CA • Much geographic variation in plumage • Some ornithologists propose splitting it into as many as four species
©Photo by Peter LaTourrette ©Photo by Bob Steele Song SparrowMelospiza melodia • Order: Passeriformes • Family: Emberizidae • Field Marks: • Brownish gray streaked upperparts, with varying amounts of rufous • Coarse dark streaks on whitish underparts converge in central spot • Broad gray supercilium and brown lateral throat stripe • Long, rounded, brownish-gray tail • Sex: Monomorphic • Habitat: Marshes, scrub, brushy woodlands • Life History: • Some populations migratory; occurs year-round in CA • One of the most diverse and widespread songbirds in North America • 24 diagnosable subspecies • Conservation: • CA Species of Special Concern – several subspecies: Suisun (maxillaris), Alameda (pusillula), and San Pablo (samuelis) • Causes include loss of tidal marsh habitat around SF Bay • San Clemente and Santa Barbara populations (graminea) extirpated due to loss of habitat by fire and introduction of hares
©Photo by Peter LaTourrette ©Photo by Bob Steele Song SparrowMelospiza melodia • Several sharp notes with one long trill • seet seet seet zeeeeeee tipo zeet zeet brrr • call a distinctive • jimp
©Photo by Bob Steele ©Photo by Jack Binch Lincoln’s SparrowMelospiza lincolnii • Order: Passeriformes • Family: Emberizidae • Field Marks: • Brownish-gray, finely streaked upperparts • Buffy breast band with fine streaks • White abdomen • Broad gray supercilium and buffy malar • Sex: Monomorphic • Habitat: • Riparian woodlands, especially with dense brushy areas • Life History: • All populations migrate • Both breeding and wintering populations occur in different parts of CA • Secretive and poorly studied
Female ©Photo by Peter LaTourrette Male ©Photo by Steve Messick Dark-eyed JuncoJunco hyemalis • Order: Passeriformes • Family: Emberizidae • Field Marks: • Plain, unstreaked gray to reddish-brown upperparts • Gray to black hood contrasting with white abdomen • Flanks reddish brown to gray • Pink bill • White outer rectrices • Sex: Females tend to have paler hoods and flanks • Habitat: Coniferous forests • Life History: • Most populations migratory • Primarily occurs in CA in winter • Previously divided into 5 species, now 1 species with several “groups” • Conservation: • CA Species of Special Concern – Gray-headed subspecies caniceps • Little information, but small population size in southeastern CA
Female ©Photo by Peter LaTourrette Male ©Photo by Steve Messick Dark-eyed JuncoJunco hyemalis • Simple trill, not changing in pitch • call a high, hard, smacking • stip • Compare Orange-crowned Warbler
Adult ©Photo by Steve Messick 1st Winter Adult ©Photo by Peter LaTourrette White-crowned SparrowZonotrichia leucophrys • Order: Passeriformes • Family: Emberizidae • Field Marks: • Brownish-gray streaked back with pale gray-brown rump and nape • Dingy grayish-brown, unstreaked underparts • Black and white crown stripes (brown and gray in young birds) • Pinkish, orange, to yellow bill • Sex: Monomorphic • Habitat: Grasslands, scrub, brushy woodlands • Life History: • Most subspecies migratory, wintering in CA; some populations resident • May be the best studied songbird • Forms flocks in winter, sometimes mixing with Golden-crowned Sparrow
Adult ©Photo by Steve Messick 1st Winter Adult ©Photo by Peter LaTourrette White-crowned SparrowZonotrichia leucophrys • Clear whistles followed by a series of • buzzes or trills on different pitches • seeee sitli-sitli te-te-zrrrrr • Call a sharp • pink
Adult ©Photo by Bob Steele 1st Winter ©Photos by Peter LaTourrette Golden-crowned SparrowZonotrichia atricapilla • Order: Passeriformes • Family: Emberizidae • Field Marks: • Brownish-gray streaked back with pale gray-brown rump and nape • Dingy grayish-brown, unstreaked underparts • Gold forecrown bordered by black (yellow and brown in young birds) • Gray and yellow bicolored bill • Sex: Monomorphic • Habitat: Riparian woodlands • Life History: • Nearctic migrant • Forms flocks in winter, sometimes mixing with White-crowned Sparrow • Little known about its breeding biology
Adult ©Photo by Bob Steele 1st Winter ©Photos by Peter LaTourrette Golden-crowned SparrowZonotrichia atricapilla • Usually 3 clear, descending, mournful whistles: • “Oh dear me!”or “No gold here!” • Call a sharp • pink
Icteridae: Blackbirds, Orioles, and Allies • Field Marks: • Most species entirely black with iridescence • Some with bright red or yellow markings • Strong, straight, pointed bill • Sex: Most are dimorphic • Habitat: Open areas, grasslands, marshes, and open forest • Life History: • Eat mostly insects in breeding season, fruits and grains otherwise • Some entirely insectivorous, and others eat nectar • Complex bill musculature for prying open the bill while probing in the ground (called gaping), similar to European Starling • Well adapted to human-altered habitats • North American species migratory • Belong to the large group of New World nine-primaried oscines • Among oldest on record: 20 yrs, 11 mos • Distribution: • 103 species in 24 genera, only in the Americas • 23 species in 8 genera in North America
Female Male ©Photos by Bob Steele Hooded OrioleIcterus cucullatus • Order: Passeriformes • Family: Icteridae • Field Marks: • Two white wing bars, upper one broader • Long, graduated tail • Long, curved bill • Sex: • Male has brighter yellow plumage, black wings, tail and bib • Female has greenish-yellow plumage overalll, gray wings, no bib • Habitat: • Woodlands, associated with fan palms in southern CA • Life History: • Short distance neotropical migrant • Able to take nectar from tubular flowers by slitting corolla open
Female Male ©Photos by Bob Steele Bullock’s OrioleIcterus bullocki • Order: Passeriformes • Family: Icteridae • Field Marks: • Two white wing bars (or wing panel) • Relatively short, square tail • Straight bill • Sex: • Male has black back and wings, nape, crown, and throat, and black tail tips and central rectrices, with orange underparts • Female is greenish-yellow with pale gray abdomen, gray wings, and no black on head or tail • Habitat: Riparian and oak woodlands • Life History: • Neotropical migrant, with one resident population in southwestern CA • Hybridizes with Baltimore Oriole, and formerly considered 1 species
Female Male ©Photos by Bob Steele Bullock’s OrioleIcterus bullocki • Whistled with short notes • and sharp pitch changes: • goo gidoo goo peeka peeka • calls a dry, husky chatter
Male Female ©Photos by Ed Johnson Scott’s OrioleIcterus parisorum • Order: Passeriformes • Family: Icteridae • Field Marks: • Tail moderate in length and graduation • Long, decurved, finely pointed bill • Sex: • Male has glossy black upperparts and bright yellow underparts and rump; tail black with yellow base; wings black with yellow lesser coverts • Female is greenish yellow with a streaked or mottled black back, head, and breast, gray wings, and white-tipped outer rectrices • Habitat: • Desert scrub, sagebrush shrub-steppe, associated with yuccas • Life History: • Neotropical migrant • Named for General Winfield Scott, a.k.a. “Old Fuss and Feathers”
©Photo by Steve Messick ©Photo by Peter LaTourrette Western MeadowlarkSturnella neglecta • Order: Passeriformes • Family: Icteridae • Field Marks: • Upperparts a cryptic pattern of gray, buff, and black • Underparts bright yellow with a dark V on breast • Dark crown and eye line • Pale median crown stripe and supercilium • Short tail with white outer rectrices • In alternate plumage, crown pattern brighter, supercilium yellow in front of eye, and V on breast bolder and black • Sex: Monomorphic • Habitat: Grasslands • Life History: • Occurs year-round in CA • Very similar looking to Eastern Meadowlark, but only rarely hybridize • The state bird of six states (KS, NE, ND, WY, MT, OR)
©Photo by Steve Messick ©Photo by Peter LaTourrette Western MeadowlarkSturnella neglecta • Slow, whistled, descending warble, • ending in a gurgle • sleep loo lidi lidijuvi • call a low pluk or dull rattle
Male Male ©Photo by Steve Messick ©Photo by Steve Messick ©Photo by Bob Steele ©Photo by Bob Steele Female Female Red-winged BlackbirdAgelaius phoeniceus • Order: Passeriformes • Family: Icteridae • Field Marks: • Rounded wings • Moderately thick bill • Graduated, rounded tail • Sex: • Males dull black overall with red lesser coverts, and yellow or black median coverts • Females dark brown upperparts, and heavily streaked underparts, with pale supercilium • Habitat: Freshwater marshes and grasslands • Life History: • Occurs year-round in CA • Polygynous, with up to 15 females nesting in one male’s territory • Forms huge, mixed-species flocks when not nesting, and can severely damage crops
Male ©Photo by Steve Messick ©Photo by Bob Steele Female Red-winged BlackbirdAgelaius phoeniceus • Several liquid introductory notes • followed by harsh gurgling trill: • kon-ka-reeeeee
Male Female ©Photos by Bob Steele Tricolored BlackbirdAgelaius tricolor • Order: Passeriformes • Family: Icteridae • Field Marks: • Pointed wings • Relatively longer, narrower bill • Sex: • Males glossy black overall with dark red lesser coverts, and white median coverts • Females very dark with grayish streaks and paler throat, and small reddish shoulder patch • Habitat: Freshwater marshes • Life History: • Occurs year-round in CA • Nest in colonies, with males defending small territories, and up to 4 nesting females per territory • Conservation: • CA Species of Special Concern -- Population greatly reduced, and vulnerable to disturbance at nesting colonies
Male Female ©Photos by Bob Steele Tricolored BlackbirdAgelaius tricolor • Harsh, nasal, descending: • oo-grreee drdodrp • Lower-pitched, more nasal, • and less musical than Red-winged Blackbird
Female ©Photo by Steve Messick Male Yellow-headed BlackbirdXanthocephalus xanthocephalus • Order: Passeriformes • Family: Icteridae • Field Marks: • Dark brown or black upperparts, abdomen, wings, and tail • Yellow breast, throat, at least parts of face, and ringing cloaca • Sex: • Male has black body plumage with bright yellow head and breast, black lores, and white wing patch • Female has brown body plumage with yellow throat, breast, and supercilium • Habitat: • Freshwater wetlands in breeding season • Highly disturbed grasslands, such as plowed fields, in winter • Life History: • Migratory, but may occur year-round in different parts of CA • Forms huge flocks in winter of either adult males or adult females and young males, often mixing with other black bird flocks
Male Female ©Photos by Peter LaTourrette Brewer’s BlackbirdEuphagus cyanocephalus • Order: Passeriformes • Family: Icteridae • Field Marks: • Plumage grayish brown to black overall • Violet iridescence on head, greenish iridescence on rest of plumage • Sex: • Males glossy black with strong iridescence and yellow to white eye • Females grayish brown with slight iridescence and usually a dark eye • Habitat: • Grasslands, preferring human-modified habitats, such as lawns, golf courses, and urban parks • Life History: • Partial migrant, but occurs year-round in CA • Prior to 1914, range did not extend beyond western MN, but began rapidly expanding eastward in response to forest clearing and conversion of land to agriculture
©Photo by Peter LaTourrette ©Photos by Giuliano Gerra and Silvio Sommazzi Great-tailed GrackleQuiscalus mexicanus • Order: Passeriformes • Family: Icteridae • Field Marks: • Dark brown to black plumage overall • Very long, keel-shaped tail • Pale eye • Sex: • Males larger with purple-blue iridescence all over and very long tail • Females brown with some iridescence on upperparts, darker wings and tail, and paler throat and underparts • Habitat: • Open woodlands, grasslands, agricultural fields • Life History: • Partial migrant, but occurs year-round in CA • Range has extended northward in response to irrigation and planting trees in arid areas • Polygynous mating system; fewer male nestlings survive, and adult male survival may be lower, resulting in female-biased sex ratio
Female Male ©Photos by Bob Steele Brown-headed CowbirdMolothrus ater • Order: Passeriformes • Family: Icteridae • Field Marks: • Brown to glossy black plumage • Short conical bill • Pointed wings • Sex: • Males have greenish glossy black plumage and dark brown head • Females gray brown overall with whitish throat and usually finely streaked breast • Habitat: Woodlands, especially near edges • Life History: • Occurs year-round in CA • Brood parasites, laying eggs in other species’ nests, reducing host species’ ability to raise their own chicks • Originally limited to short-grass prairies where they followed buffalo herds, but range expanded with conversion of forests to agriculture, exposing species poorly adapted to defending against nest parasites
Fringillidae: Finches and Allies • Field Marks: • Forked, relatively short tails • Generally short, conical bills, but a wide variety of shapes • Sex: Dimorphic • Habitat: • Forests, forest edges, shrublands (some desert and tundra species) • Life History: • Eat mainly seeds and buds plucked from trees and shrubs • Primarily arboreal, but desert and tundra species are terrestrial • Strong seasonal movements in many species, often irregular • Usually placed in or close to the large group of New World nine-primaried oscines, but are primarily Old World species and taxonomy is unclear • Among oldest on record: 17 yrs, 6 mos • Distribution: • 150 species in 32 genera, with greatest diversity in central Asia and Hawaiian islands • 17 species in 7 genera in North America
©Photo by Jerry Ligouri Gray-crowned Rosy-FinchLeucosticte tephrocotis • Order: Passeriformes • Family: Fringillidae • Field Marks: • Dark brown overall with pinkish abdomen and wing coverts • Dark forecrown and gray hindcrown • Cheeks may be gray or brown • Bill is yellow in winter, and black in breeding season • Long, notched tail and long wings • Sex: • Females average less pink on abdomen and wing coverts, and less black in forecrown • Habitat: • Alpine meadows • Life History: • Some populations migratory, but occurs year-round in CA • Possibly the highest altitude breeding bird in North America • Difficult to study
Male Male ©Photos by Steve Messick Female ©Photo by Shimpei Watanabe Red CrossbillLoxia curvirostra • Order: Passeriformes • Family: Fringillidae • Field Marks: • Greenish-yellow to brick red overall • Dark wings and short, deeply-notched tail • Mandibles curved and crossed at the tip • Sex: • Males typically brick red to reddish-yellow • Females typically olive to greenish-yellow • Habitat: Coniferous forests • Life History: • Occurs year-round in CA • Wanders nomadically in search of cone crops • Much morphological variation in bill shape – adaptations to cone types • Individual nomadic populations can be identified by flight calls, and may be reproductively isolated (in effect separate species) • Groups breed when an adequate cone crop is found
Female ©Photo by Peter LaTourrette Male ©Photo by Steve Messick Evening GrosbeakCoccothraustes vespertinus • Order: Passeriformes • Family: Fringillidae • Field Marks: • Black wings with white or gray wing panel on secondaries • Short, slightly notched, black tail • Massive, pale greenish-yellow, conical bill • Sex: • Male has dark head with yellow supercilium, scapulars, rump and underparts • Female mostly grayish brown with white spots on upper tail coverts, white undertail coverts, and additional white patch at base of primaries • Habitat: Coniferous forests • Life History: • Occurs year-round in CA • Well known for irruptions in fall and winter in search of food, often in large flocks • Poorly studied, in part because highly secretive when nesting, and nests are placed high in trees
Female Male ©Photo by Steve Messick House FinchCarpodacus mexicanus • Order: Passeriformes • Family: Fringillidae • Field Marks: • Drab gray-brown overall with heavy blurry grayish streaking • Short bill with curved culmen • No pattern on head • Relatively long, slightly notched tail • Sex: • Males with reddish forehead, rump, and breast (sometimes yellow) • Habitat: Habitat generalist • Life History: • Occurs year-round in CA • Native to western North America, but spread across the east from a small number released on Long Island in 1940 • Red pigment obtained from food, and females choose to mate with brightest red males
Female Male ©Photo by Steve Messick House FinchCarpodacus mexicanus • Varied warble, beginning with • whistled notes and ending with • lower burry notes • call a soft • fillp or fiidlp
Male ©Photo by Mike Danzenbaker Female ©Photo by Bob Steele Purple FinchCarpodacus purpureus • Order: Passeriformes • Family: Fringillidae • Field Marks: • Relatively large with short, notched tail • Culmen shallowly curved • Dark cheek patch bordered with paler supercilium and malar • Sex: • Males extensively red overall, especially head and back; lower abdomen and undertail coverts usually unmarked and white • Females brownish with bold brown and white head pattern and short dark streaks on underparts • Habitat: • Coniferous forests, oak and riparian woodlands • Life History: • Occurs year-round in CA • Known for somewhat cyclical irruptions across parts of its winter range, probably related to cone crops
Male ©Photo by Mike Danzenbaker Female ©Photo by Peter LaTourrette Cassin’s FinchCarpodacus cassinii • Order: Passeriformes • Family: Fringillidae • Field Marks: • Large with short, notched tail • Long, pointed, mostly straight culmen • Weak face pattern • Sex: • Males with red pigmentation concentrated on cap, paler on back, breast, and flanks; undertail coverts and often flanks finely streaked • Females with clean white, finely streaked breast and flanks; less distinct face pattern • Habitat: Coniferous forests • Life History: • Occurs year-round in CA • Excellent mimics of other bird songs
Female Male ©Photos by Bob Steele Lesser GoldfinchCarduelis psaltria • Order: Passeriformes • Family: Fringillidae • Field Marks: • Greenish upperparts with yellow underparts, including undertail • Short-tailed with short, rounded wings • Dark wing and underwing, with white at base of primaries • Stout, dark gray bill • Sex: • Males with black cap, larger white patch at base of primaries, and white patches on rectrices • Female has entirely black rectrices • Habitat: Oak and riparian woodlands • Life History: • Occurs year-round in CA • Usually seen in flocks