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The “Birds” in the Brush

10,000 Birds

Besides being food, ground squirrels can be friends to birds — most notably the Burrowing Owl , who relies on these and other digging mammals for nesting sites — or foes, when they perk up their diet with eggs and young from ground nests. Mammals ground squirrels rodents' and landscaping is the more pedestrian concern.

Chipmunks 240
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Are Birds Really Dinosaurs?

10,000 Birds

Among mammals, bipedalism is found in several rodents, a number of marsupials, and one primate. One of the most interesting differences between birds and dinosaurs has to do with their eggs. Bipedalism is somewhat rare these days in the animal world. The nature, distribution, and evolution of bird song is unclear.

Birds 271
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Feral Cats Are An Invasive Species in North America (and elsewhere)

10,000 Birds

And for rodents and reptiles as well. And for thousands of years the lizards, rodents, and birds of North America adapted to Fishers, Badgers, Wolverines, Ermines, etc. This means that they eat a lot of rodents and birds. Let me tell you this: They are. among the Mustilids, and Coyotes and to a lesser extent Foxes.

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Birding northern Serbia, or a sudden bird tour

10,000 Birds

Sadly, there have been no males displaying for the last five years, so the remaining 8 females – the entire Serbian population – may only incubate unfertilised eggs. The grass is taller now and some of them may even be incubating, secretive on their nests. Nutria) flew by us (this time, it was Q. who dipped it).

Serbia 264
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How much bird is there, anyway?

10,000 Birds

For instance, I can lay my hands on data for primates and rodents (because I’ve collected those data for research) but I don’t have comparable data for bovids (just selected data) and zero data for birds (in spreadsheets on my computer). If we were to remove the hooved animals and non-Mustelidae carnivores (i.e.,

Mammals 233
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National Audubon Society Birds of North America: A Guide Review

10,000 Birds

610)) to a little history (“The elegant White-tailed Kite was formerly shot in large numbers by farmers who thought it threatened their chickens, although these birds feed almost entirely on insects and a few rodents” (p. Plate 28 from Audubon Bird Guide, Eastern Land Birds, by Richard H. 334) is how Black Skimmer is introduced).

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Invasive species in Australia

10,000 Birds

We have seen them on remote beaches hunting shorebirds and taking their eggs and they have been responsible for much of the egg loss in breeding Pied Oystercatchers along the Broome coast. Feral cat predation on Pied Oystercatcher eggs. They are incredibly cunning and not easily trapped.

Australia 157