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Bird-Eating Fish

10,000 Birds

It has also found its way to Japan where it is considered to be an invasive species. Now and then individual catfish of various species hunt nearer the surface and larger catfish such as the American Channel Cat will take a duck or other water bird. The range of size of sampled catfish ranges from 0.9

Fish 199
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A Near Conjunction

10,000 Birds

Cocoa Woodcreepers are the largest species of woodcreeper in T&T, and they have a proportionately massive bill. Can they ascertain how profitable a specific tree would be by some sampling method? Many friends and guests enjoyed seeing this particular bird soar, hunt, or even sit for hours in the valley. And so, we continued.

Trinidad 162
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Acclimatisation Societies of New Zealand

10,000 Birds

There are the endemics, which are odd in their own way, and then there introduced species, which are so varied in their type and origin that you get the feeling you’ve arrived at the aftermath of a small zoo that escaped. What is surprising is quite how many species did end up here, and how economically unimportant they were.

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Feral Cats in American Cities

10,000 Birds

So I put together a “carnival” (of sorts) of Feral Cat Ordinances and Issues that samples current events across the US. … Matthew Anderson [of Audubon] said proponents of colonies are putting the interests of one invasive species — cats — over the hundreds of other native ones that are their prey.

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Birding in a Hellmouth

10,000 Birds

There were opportunities to go to far flung places like the islands of the Pacific or the coast of Canada or the Yorkshire Dales… Anyway, as I was obsessed by Africa at the time, I leapt at the opportunity to go to Namibia to collect samples of bat DNA for a biogeography project. A Bat Hawk hunting bats. And then, there it was.

Bats 154
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Do birds avoid predators because of culture?

10,000 Birds

Most likely, all individuals of a given species have very similar genes guiding very similar developmental processes, but produce different results because the plasticity itself is selected for. In particular, birds that hang around with humans who don’t happen to hunt or eat them can become very tame.

Birds 116
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Evolution of the Multi-Media Bird

10,000 Birds

That for the latter nature went on without them, letting them observe, seems to be proved by the fact that there doesn’t seem to be a big difference in your chance of getting wounded by a small to medium forest mammal if you are hunting them or if you are gathering plant products. Or get your own. Clearly, we need better software.

Birds 168