function of nests: 1)support for adult and eggs 2) mate attraction – weaver birds marsh wren 3)...
Post on 19-Dec-2015
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Function of nests:
1) Support for adult and eggs
2) Mate attraction – Weaver birds marsh wren
3) Female stimulation
4) ThermoregulationA) Insulation – ducks and down
B) Microsite selection – cactus wren
How to Avoid Predation?
1) Crypsis of eggs or parent
2) Location – Cliffs, islands Floating nests Cavities Thin Tree Limbs
3) Safety in Numbers - Coloniality
4) Deception yellow-rumped thornbill
5) “Hired Gun” tropical wrens
burrowers
Rough-wingedAnd Bank Swallows
Nest variation type in swallows (O Passeriformes, F Hirundinidae)
Cave dwelling swiflets of SE Asiabirds that think they are batsEcholocating, insectivorous cave dwellers
Apodiformes-Edible (White-nest) and Black-nest Swiftlets
Double “echo click”