Term
| Coloring pattern typical of cavity-nesting birds. |
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Definition
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Term
| Coloring pattern typical of ground-nesting birds. |
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Definition
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Term
| Typical number of eggs laid per day by a bird. |
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Definition
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Term
| Structure of altricial birds |
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Definition
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Term
| Strucure of precocial birds |
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Definition
| Simple nest, sometimes little more than scraps |
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Term
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Definition
| Born blind, often naked and totally helpless |
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Term
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Definition
| Young born with down, can get up and walk right after hatching. |
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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 for incubation |
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Definition
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Term
| Featherless tracks on belly on bird used for incubation |
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Definition
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Term
| Types of birds were parents take "shifts" |
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Definition
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Term
| Female incubates but is fed by male |
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Definition
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Term
| Type of birds with female only parental care |
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Definition
| Desertion species, ducks, grouse, hummingbirds. |
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Term
| Male-only incubation species |
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Definition
| Polyandrous species; phalaropes |
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Term
| Precocial yolk vs altricial yolk |
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Definition
| Precocial = 40%, Altricial = 25% |
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Term
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Definition
| total number of eggs in one reproductive effort |
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Term
| Age of bird on clutch size |
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Definition
| Younger bird, smaller clutch |
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Term
| Health of bird on clutch size |
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Definition
| Fatter bird, larger clutch |
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Term
| Size of bird on clutch size |
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Definition
| Large bird = smaller clutch |
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Term
| Latitude of bird on clutch size |
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Definition
| More north = larger clutch (less likely to be able to re-nest) |
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Term
| Lifespan of bird on clutch size |
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Definition
| Longer lived = smaller clutch (more chances to nest) |
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Term
| Factors that affect clutch size |
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Definition
| Age, size, latitude, health and lifespan. |
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Term
| Weeks until altricial birds catch |
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Definition
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Term
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Definition
| Birds that stay in the nest |
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Term
| Weeks until precocial birds hatch |
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Definition
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Term
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Definition
| Birds that leave the nest. |
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Term
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Definition
| hatching muscle, egg tooth and hatching posture. |
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Term
| Synchronous hatching - incubation |
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Definition
| Delayed until full clutch is laid. |
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Term
| Birds that hatch asynchronously |
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Definition
| Owls and hawks. Incubation starts at first egg. |
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Term
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Definition
| Eagle clutches hatch synchronously and usually only 1 young survives. |
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Term
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Definition
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Term
| Shape of nests that keeps the eggs from falling out |
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Definition
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Term
| Type of nesters that have the highest success rate |
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Definition
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