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Avian Response to Changing Seasons

Avian Response to Changing Seasons. Common Poorwill. Avian Response to Changing Seasons. Grace’s Warber. American Robin. White-Breasted Nuthatch. Avian Response to Changing Food Supply. Avian Response to Drought, Flooding. “Extreme Migration”. “Neotropical Migrants”. Grosbeaks.

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Avian Response to Changing Seasons

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  1. Avian Response to Changing Seasons Common Poorwill

  2. Avian Response to Changing Seasons Grace’s Warber American Robin White-Breasted Nuthatch

  3. Avian Response to Changing Food Supply

  4. Avian Response to Drought, Flooding

  5. “Extreme Migration”

  6. “Neotropical Migrants” Grosbeaks Hummingbirds Hawks Flycatchers Tanagers Wood Warblers Orioles Vireos Vultures

  7. “Neotropical Migrants” Blackpoll Warbler

  8. “Short-Distance Migrant” Brewer’s Sparrow

  9. “Vertical Migration”

  10. MIGRATION STRATEGIES Fig. 5-53 in Podulka et al. 2004

  11. 1) Obligate Annual Migrants (e.g., Neotropical Migrant) Bird Migration Strategy: 4 5

  12. Migratory Strategy: 2) Permanent Resident 20 21

  13. Bird Migration Strategies 3 & 4: Facultative and Obligatory Partial Migrants 36 Facultative Obligatory 35

  14. Bird Migration Strategy 5: Irruptive Migration 18

  15. Bird Migration Strategy 5: Irruptive Migration 1993 1994 1995 1996

  16. Bird Migratory Strategy 6: Nomadic Migration 12 11

  17. Fig. 5-53 in Podulka et al. 2004

  18. Origins of Migration? (Climatic Change) 20 “Returning Home”

  19. Origins of Migration? (Lack of Needed Resources) 29 28

  20. Origins of Migration? (Seasonal Intraspecific Dominance Interactions) 26 Blackcap 27

  21. Origins of Migration? (Seasonal Interspecific Dominance Interactions)

  22. Origins of Migration? (Tracking of Fruit or Nectar)

  23. Which Explanation is Most Plausible?

  24. Migration and Natural Selection Situation One Situation Two Resident Migrant

  25. Migratory Flexibility Original, Sedentary Populations Introduction in 1950s

  26. Genetic Basis for Migration? 35 37

  27. Variation in Migratory Strategy in Blackcap Populations Fig. 5-55 in Podulka et al. 2004

  28. Determining Migratory Direction via Migratory Restlessness Fig. 5-57 in Podulka et al. 2004

  29. Results of Hybridization Experiments I Fig. 5-56 in Podulka et al. 2004

  30. Results of Hybridization Experiments II Fig. 5-58 in Podulka et al.

  31. 1 http://www.nature.org/wherewework/northamerica/lewisandclark/images/ ponderosa_pine_oregon_charlie_ott.jpg 2 http://www.wfo-cbrc.org/cbrc/photos/grace's-pt-loma-110505-a-2.jpg 3 http://www.nps.gov/band/naturescience/images/ponderosa_forest.jpg 4 http://www.borealbirds.org/web_mig_map/images/blackpoll_warbler/ map-mid.jpg 5 http://upload.wikimedia.org/wikipedia/commons/thumb/a/a3/ Steller's_Jay as_Seen_from_the_Back.jpg/800px-Steller's_Jay_as_ Seen_from_the_Back.jpg 6 http://www.christinevadai.com/STJA4.jpg 7 http://www.truthorconsequencesnm.net/us_forest/mogollon-mts-o.jpg 8 http://thebirdguide.com/digiscoping/photos/IMG_8158_northern_shoveler.jpg 9 http://www.schmoker.org/BirdPics/Photos/Waterfowl/NSHO6.jpg

  32. 10 http://map.telesis.org/new.gif 11 http://dwrcdc.nr.utah.gov/rsgis2/images/Photos/loxicurv.jpg 12 http://wwp.greenwichmeantime.com/images/usa/new-mexico.jpg 13 http://imagecache2.allposters.com/images/pic/PTGPOD/349625~Great-Gray- Owl-Rowley-MA-Posters.jpg 14 http://photo.net/bboard-uploads/00BMo5-22167884.jpg 15 http://www.winterweather.state.mn.us/images/snow_5_big.jpg 16 http://www.winterweather.state.mn.us/images/snow_5_big.jpg 17 http://iz.carnegiemnh.org/crayfish/images/minnesota.jpg 18 http://iz.carnegiemnh.org/crayfish/images/minnesota.jpg 19 http://imagecache2.allposters.com/images/pic/PTGPOD/349625~Great-Gray-Owl- Rowley-MA-Posters.jpg 20 http://www.birdsource.org/gbbc/gallery/2007/wesjay_rogers-j_ca-lr.jpg/image _preview

  33. 21 http://rosyfinch.com/KilldeerAdultWithChick.jpg 22 http://www.birdsamore.com/_images/hummingbird-rufous_350.jpg 23 http://www.birdwatching-bliss.com/images/broad_tailed_hummingbird.jpg 24 http://www.alanmurphyphotography.com/Galleryimagesfromemail/B lack-Chinned-Hummingbird.jpg 25 http://www.tpwd.state.tx.us/huntwild/wild/species/mockbird/ 26 http://www.statesymbolsusa.org/IMAGES/Texas/mockingbird_detwiler_web.jpg 27 http://www.geneticarchaeology.com/Images/South_Hills_Crossbill.jpg 28 http://www.calliebowdish.com/Birds/PRedstartNov252006-29.jpg 29 http://www.strayreality.com/image1/toucaneat3.jpg 30 http://www.naturalist.co.uk/photos/crimsoncollared_tanager.jpg 31 http://www.saveamericasforests.org/Yasuni/Pics/Biodiversity/MaskedCrimson Tanager9.jpg 32 http://www.tropicalexpeditions.com/images/Silver-throated%20Tanager.jpg

  34. 33 http://www.localization-translation.com/images/maps/map-localization-south- america.jpg 34 http://www.naturalsciences.org/education/Ecuador/2007/images/008_ Blue-winged%20Mountain%20Tanager.jpg 35 http://www.naturephoto-cz.com/photos/sevcik/blackcap--sylvia-atricap illa-1.jpg 36 http://www.roysephotos.com/zzAmericanRobin8D.jpg 37 http://static.howstuffworks.com/gif/dna-2.jpg

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