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Heron Family. family Ardeidae o rder Ciconiiformes. Motionless near log or bank. Reeds. American Bittern. Close to shore. Reeds. Shallow at night. Wade in deeper water. Shallow at night. Shy Strong fliers S-shape M igratory. Adaptations. Legs Toes Bill Neck
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Heron Family family Ardeidae order Ciconiiformes
Motionless near log or bank Reeds American Bittern Close to shore Reeds Shallow at night Wade in deeper water Shallow at night
Shy • Strong fliers • S-shape • Migratory
Adaptations • Legs • Toes • Bill • Neck • Powder down areas of feathers • Serrated middle claw
nesting • Defend territory • Colonies – rookeries • Solitray • Mixed colonies – herons • Stick nest – trees – herons & egrets • Grass nest – ground – bitterns • Incubation 2 ½-4 week depending upon species • Some incubate when 1st egg is laid • Altricial - remaining in nest 2 -3 weeks
Feeding Young • Regurgitate • Partly digested food • Whole fish, frogs, snakes • Trigger
Prey • Foxes • Minks • Hawks • Raccoons • Crows and tree-climbing snakes may rob • unguarded nests.
Males • Aggressive – fight • Harsh calls • Elaborate & instinctive motions • Bright colors
Visitors to PA • Little Blue • Cattle egret • Snowy egret
Great Blue Heron Ardeaherodias 38” long and 70” wingspan Largest of dark herons
EGGS Incubation by both sexes -28 days 3-6 3 weeks Mom & dad feed chicks
Habitat • Saltwater or freshwater • Remote • Near trees • Loss • Propagation areas
Butoridesstriatus Green-Backed Heron Small – 14” long & wingspread 25”
Nesting • Shrubs • Trees • Orchards • Twigs & sticks • Flimsy • Male selects & starts • Female finishes • Pair • Loose colony • Not as friendly as blue
Casmerodiusalbus Great Egret 32” long & 55” wingspread, 2’ tall
Diet Fish Small mammals Amphibians Insects
Habitat Habitat Colonies 10-50 trees Beech & red maple w/other heron species • Swamps • Lakes • Ponds • Susquehanna river shallows • Islands and mudflats
Nesting Nest lined with leaves, moss, grass 3-4
Black-Crowned Night Heron Nycticoraxnycticorax
food Carnivore
habitat • Fresh, salt and brackish waters, • Forests • Thickets • even city parks!
Nesting 3-5 eggs Incubation 24-26 days Both sexes build nest 2-5 days
Black vs. Yellow • Longer legs • Higher pitched call • Yellow patch head • Black & white head
Diet • Frogs • Fish • Lizards • Salamanders • Insects
Nesting 3-5 eggs Incubation 24-26 days Bothsexes build nest 2-5 days
American Bittern Botauruslentiginosus
Nesting Solitary nesters Ground platform of cattails, reeds, or grasses 3 – 7 eggs
Least Bittern Ixobrychusexilis
4 -5 eggs NESTING