This post accompanies: Is the Brown Creeper more than one species? The songs of Brown Creepers do vary regionally, but the variation is subtle and complex and not very obvious (at least to our ears). Regional differences in song may offer the strongest support for splitting Brown Creeper into multiple species, but remain virtually unstudied. […]
Archives for January 2011
Brown Creeper is such a familiar and easily-identified bird that few birders really study it closely. Slight regional differences in plumage and song have long been known, but recent DNA research (Manthey et al., 2010) has shown that these subtle outward differences go much deeper. (David Callahan summarizes the research at Birdwatch). There is a […]
Possibly… Like most herons, the calls of Great Egret are always hoarse, unmusical croaks and groans. There are slight variations, however, and listening to the selection of recordings available at Xeno-canto suggests that there may be consistent differences between the American and Eurasian Great Egrets.
The painting shown here is currently available at auction (see box at right, revised on 24 Jan) with 100% of the proceeds going to support the efforts of the Bird Conservation Society of Thailand. Or you can make a donation through Audubon (see below). Funds will go to an information center at Pak Thale, Thailand, […]
Update, 26 Jan 2011: We have now filled the beta-tester slots. Thanks for the great response! The Sibley eGuide to Birds (for Blackberry) is ready for testing. We just need a few people to run it through the paces on some different Blackberry devices and tell us what works and what, if anything, doesn’t. All […]
In December 2010 I had the privilege of birding in Kenya with the incomparable Brian Finch, and on 14 December we stumbled upon an interesting small sandpiper at Lake Nakuru. We had talked about the possibility of Dunlin (only a few Kenya records) and were looking through the many Ruffs, Curlew Sandpipers, and Little Stints […]