Bird Identification 101

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Table of Contents
Introduction
Topography of a Bird

Constant Features

Plumage Variations

ID by Shape
ID by Color
ID by Location
ID by Specific Features

The Bill

Cone-shaped

Dagger-shaped

Curved

Hooked

Needle-like

Spatulate

Quiz on Bill Shapes

The Head

Eyering

Crown

Lores

Supercillium

Ear Patch (auricular)

Quiz on the Head

ID by Field Mark
ID by Behavior
ID by Gestalt
ID by Nests
ID by Ear
 

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Curved bill

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Curved bills are usually very long and slender. They come in two types and allow a bird to reach deep into burrows and mud to catch invertebrates that are not accessible to other birds. A decurved bill curves downward like in an Ibis. A recurved bill curves upward like in an Avocet.


     

Decurved

 

Recurved

 

Next: Hooked bill

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