Term
| Difference in temperature generate by chickadee feathers in winter |
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Definition
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Term
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Definition
| Shivering to generate heat. |
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Term
| Energy store used to fuel thermogenesis |
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Definition
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Term
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Definition
| More nothern animals have a smaller surface to volume ratio (round shapes) |
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Term
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Definition
| Animals in smaller areas have smaller extremeties |
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Term
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Definition
| More northern animals tend to be lighter in color. |
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Term
| Ruffed Grouse adaptation to stay warm |
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Definition
| Dives into snow bed where it creates a burrow to sleep for the night |
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Term
| Red poll adaptation to stay warm |
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Definition
| Excavates holes in the sides of snow banks to create a burrow to sleep in. |
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Term
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Definition
| Method of conserving energy by entering a state of controlled hypothermia. |
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Term
| Chickadees can lower their body temperature by this much when entering torpor. |
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Definition
| 12 degrees (humans dies after 5 degrees) |
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Term
| Poorwill adaptation for torpor |
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Definition
| Able to enter torpor for several months, resembles hiberation. |
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Term
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Definition
| Network of arteries and veins in the feet of ducks that minimizes heat exchange with environment in the winter |
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Term
| Bird that has snowshoes made of scales |
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Definition
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Term
| Bird that has feathers as snowshoes |
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Definition
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Term
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Definition
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Term
| Snipes winnow method of advertisement |
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Definition
| Twists outer rectrices and vibrates them to make loud noise. |
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Term
| Ruffed grouse method of advertisement |
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Definition
| Drumming on log with wings |
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Term
| Organ used in sound production |
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Definition
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Term
| Frequency of non-locatable calls |
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Definition
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Term
| Frequency of locatable alarm calls |
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Definition
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Term
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Definition
| Most common type of syrinx |
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Term
| Birds that cannot sing and why |
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Definition
| Turkey vultures - no muscles around syrinx |
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Term
| Percentage of air used in sound production |
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Definition
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Term
| Way that sound is modulated |
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Definition
| Muscles around syrinx, throat/bill movements and tracheal length |
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Term
| Bird with greatest frquency range |
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Definition
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Term
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Definition
| Alarm , begging, recruitment and contact |
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Term
| Bird with 2400 different songs |
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Definition
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Term
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Definition
| Used to assert territory, directed at other males |
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Term
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Definition
| Used between different sexes to attract and keep their mate. |
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Term
| Bird song is a product of was type of selection |
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Definition
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Term
| Example of a sexually dimorphic bird where the male is more colorful |
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Definition
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Term
| Males have red patch on their face as the only distinguishing feature |
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Definition
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Term
| Males have a spot on their face as the only distinguishing feature |
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Definition
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Term
| Sexually dimorphic bird where the female is polyanderous |
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Definition
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Term
| Bird displaying delayed plumage maturation |
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Definition
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Term
| Atlantic Puffin sexual selection |
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Definition
| Beak as sexual ornament, 2 years to develop one groove, males with 2 or more grooves chosen first |
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Term
| Barn swallow preference in males |
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Definition
| Longer tail. Gene linked with better resistance to parasites |
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Term
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Definition
| Red patch on shoulder of red-winged blackbird |
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Term
| Bird that uses head displays |
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Definition
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Term
| Bird with eye papillae as display |
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Definition
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Term
| Non-dimorphic species that use ruff and tail displays |
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Definition
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Term
| Species with choreographed mutual displays |
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Definition
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Term
| Species with ritualized dances |
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Definition
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Term
| Species with communal dancing ground |
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Definition
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Term
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Definition
| Communal dancing grounds of the sharp-tailed grouse |
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Term
| Species that involves gift-giving in courtship |
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Definition
| Cedar waxwing, terns and marsh wrens |
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Term
| Courtship involves male presenting berry to female and they pass it back and forth |
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Definition
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Term
| Species offers fish to females during courtship |
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Definition
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Term
| Species that builds dummy nests throughout territory as courtship gift |
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Definition
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Term
| Species offers nesting cavity to females during courtship |
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Definition
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Term
| Color of caivty-nesting bird eggs |
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Definition
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Term
| Color of ground nesting birds |
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Definition
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Term
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Definition
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Term
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Definition
| Young born with down, able to get up and walk away from nest |
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Term
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Definition
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Term
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Definition
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Term
| Temperature of incubating eggs |
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Definition
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Term
| Featherless tracks used for inbuating eggs |
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Definition
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Term
| Species where the male take the night incubating shift |
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Definition
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Term
| Species where female desertion occurs |
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Definition
| Ploygynous species, ducks, grouse, hummingbirds |
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Term
| Species where female desertion occurs |
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Definition
| Ploygynous species, ducks, grouse, hummingbirds |
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Term
| Yolk percentage in altricial and precocial eggs |
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Definition
| Altricial - 25% Precocoial - 40% |
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Term
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Definition
| Total number of eggs in one reproductive effort |
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Term
| Time for an altricial clutch to hatch |
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Definition
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Term
| Term for birds that stay in the nest |
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Definition
| Nidicolous "nest inhabitant" |
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Term
| Time for precocial clutch to hatch |
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Definition
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Term
| Term for birds that leave the nest after hatching |
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Definition
| Nidifugous "nest fugitive" |
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Term
| Species where female allows new mate to commit infanticide |
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Definition
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Term
| Species places sock-like suspended cup nests in extreme tips of fine branches |
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Definition
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Term
| Nest shape that keeps egg from rolling out of nest |
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Definition
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Term
| Species uses saliva as glue |
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Definition
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Term
| Cavity-nesting bird that wipes blister beetles around entrance for protection |
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Definition
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Term
| Type of hawk that nests in cavities |
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Definition
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Term
| Species excavates cavities in soft-wood trees |
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Definition
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Term
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Definition
| Egg shells and feces are wrapped into a sac and carried away from altricial bird nests. |
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Term
| Species with very convincing broken wing act, complete with fake blood coloring |
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Definition
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Term
| Time when precocial bird defense is greatest |
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Definition
| At time of hatching. Little chance to re-nest, but once they hatch chicks are fairly independent. |
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Term
| Time when altricial defense is greatest |
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Definition
| Around fledging time. Do not gain independence until they leave the nest |
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Term
| Species that defends nests based on how many of his young are in it |
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Definition
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Term
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Definition
| A larger than normal brood. Example, mergansers |
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Term
| Species that are faculative brood parasites |
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Definition
| Black and yellow billed cuckoos, cliff swallows |
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Term
| Species that is an obligate brood parasite |
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Definition
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Term
| Relatitory behaviour of parasitic cowbirds |
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Definition
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Term
| Effects of removal of mate on Great Tit singing behaviour |
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Definition
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Term
| Great tits classify songs by individual voice characteristics |
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Definition
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Term
| Intensity of nest denfense is related to offspring sex ratio in the great tit |
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Definition
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Term
| Magnetic direction find: evidence for its use in migratory indigo buntings |
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Definition
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Term
| Celestial rotation: its importance in the development of migratory orientation |
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Definition
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