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The Collins Bird Guide, 3rd edition

10,000 Birds

The 1st edition from 1999 was a complete revolution in just about everything, but predominantly the quality and realism of illustrations, showing what a field guide could be and seriously raising the threshold for other publishers. The section with vagrants has been expanded to accommodate more images and longer texts for several species.

Europe 259
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Rancho Naturalista Lodge, Costa Rica, or in the Land of Coffee and Chocolate

10,000 Birds

There was a Gartered Trogon right above me, and one cooperative Brown-throated Three-toed Sloth on a cecropia tree, raising its head to smile at us. This species qualifies as Critically Endangered because extensive habitat destruction and capture for the cagebird trade are causing extremely rapid and continuing population declines.

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Polyandry and Polygynandry on the Tundra

10,000 Birds

Many of the most peculiar aspects of birds are involved with mating, whether it’s for attracting mates, defending nests against predators, or raising chicks. The most common mating strategy in birds is social monogamy, found in roughly 92% of birds species in the world (Jenni 1974, Owens 2002). of all bird species, is polyandry.

2002 169
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Tadoba Andhari Tiger Reserve: the Tiger Afternoon

10,000 Birds

The closer one raises her head, than lies back. Telia watches him in half-amusement, then raises and gives a low, bull-like roar, provoking the lapwings to an excited screech, makes a few steps and lies down. Telia yawns, raises and sprays her urine on a dead tree stump, marking her territory. The other two are motionless.

Tigers 250
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Filling the Gap Left By DeBooy’s Rail

10,000 Birds

Back in 2009, Tai Haku sent us a fascinating post exploring a question that ecologists worldwide grapple with: can the translocation of rare species into niches left empty by extinction be successful or justified? There are any number of concerns one could raise. How ecologically similar are the two species? What a wrong!

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Bird Song and Parallel Evolution: learning from our feathered friends

10,000 Birds

So defined, bird songs are the sounds, often but not always loud and musical, that (mostly) male birds make as part of that species’ mating system. The templates can be discovered by raising birds in the absence of adult song, and they often sound very little like the normal final product. London: John Murray. 1st edition.

Zebras 259
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Questionable Practices at the Calgary Zoo

Critter News

Another animal dies at the Calgary Zoo and more questions are being raised about their practices. The Calgary Zoo is again under scrutiny as details emerged Friday about how a capybara, a species of giant South American rodent, died after becoming caught in a hydraulic door last weekend as it was being moved from one area to another.

Zoos 100