Ornithology Basic Bird Identification (PDF 45P)
This note covers the following topics related to birds: Size and Shape, Wing Bars, Tail Pattern, Breast and Throat and Flocking Behavior.
Author(s): Andrew Crosby
Argentine Ornithology, Volume I
This book contains an account of the Passeres of the Argentine Republic, which, as at present known, number some 229 species.
Author(s): P. L. Sclater and W. H. Hudson
Ornithological Monographs
We are working on the detailed description of this book, we will update this section soon.
Author(s): NA