This thrush's long complex song is a distinctive sound in the high forests of Mexico's Sierra Gorda Biosphere Reserve. Photo by Greg R. Homel
Already finished reading Audubon's May-June issue? Never fear, there's more where that came from. Audubonmagazine.org has plenty of bonus web content to keep you busy. To whet your appetite, here're a few recent additions to the site:
Biosphere Birds
See and hear some of the amazing birds that live in Mexico's Sierra Gorda Biosphere Reserve in this companion to "Meet Me at the Oasis," Scott Weidensaul's feature article on the region. Photographer and bird-o-phile Greg R. Homel even gets up close and personal with the cryptic bearded-wood partridge whose nuptial call he caught on tape.
Feather Forensics
The plane crash in the Hudson River was a potent reminder that we share air space with birds. In this Q&A by senior editor Alisa Opar, the head of the Smithsonian Institution's Feather Identification Lab explains how she and her team use clues from birds to crack mysteries like those surrounding plane crashes.
Up for Grabs
Antarctica is the last frontier with some major commercial potential when it comes to the organisms that live there. Justin Nobel talks about the issues surrounding bioprospecting in our southernmost continent.
Frozen Wonders
Icebergs aren't just hunks of white ice--they can be green, too, and even striped, making them precious spectales, as Jeff Rubin reveals in this companion to his story, "Life on Ice."