If you do not know the name of a bird you saw

check the Color Guide which is sorted according to plumage and linked to coverage of individual species

also check the Illustrated Taxonomic Guide

 If you are having trouble interpreting the bird's behavior

check the Essays Sorted by Topic for links to about 200 essays. If you click on a topic listed below, that topic will be visible in window.

BREEDING BIOLOGY
DISPLAYS
DIET & FORAGING
MIGRATION
CONSERVATION
PHYSIOLOGY
FLIGHT
PREDATION
ECOLOGY
EVOLUTION & COEVOLUTION
SELECTED INDIVIDUAL SPECIES

 If you are having trouble interpreting the icons or abbreviations

check the Abbreviations Guide if you find words in the species treatments indecipherable or the organization unclear

check the Icon Guide if the graphics are puzzling. Note that the pop-up Icon Guide window may hide behind the browser window.

 If you would like complete references

check the Bibliography