Asking the pikas politely…
necessary for the appear- ance of a new American Bird-book.Mine must be that the only complete work on Colorado Birds is that of Cooke, which, though brought up-to-date by successive supplements, is now out of print and very difficult to obtain.Moreover, Cooke gives no descriptions or keys, so that it is not of much use to the tjrro who wishes to identify the birds which he has observed or obtained'The present volume is founded on the very complete collection of Colorado birds formed during the last thirty-five years by Mr.
Knowledge graph centered on A history of the birds of Colorado with 2 nodes and 1 connections. Top connected: The historical distribution of Gunnison Sage-Grous.
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