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

10,000 Birds

I once knew a guy who kept and raised cats. Dogs are similarly dispersed across size ranges, with Foxes, Coyotes, and Wolves taking prey across different parts of the size range. Also, feral Cats on islands seem to be a serious problem, causing the extirpation of some indigenous species. They are invasive species.

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What the Owl Knows: The New Science of the World’s Most Enigmatic Birds: A Book Review

10,000 Birds

” Writing about owls means writing about roughly 250 species (I counted 245 on the 2022 Clements spreadsheet, but I might have missed a few, and we all know that each classification system is different). These are behaviors that are most likely to vary across species and topics that make for compelling stories.

Owls 224
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Falconry – Bloodsport or Alternative Form of Birding?

10,000 Birds

Dirt hawking is a form of falconry that involves hunting rabbits and other small game with Harris Hawks (other hawk species also qualify). One of the primary reasons that these hawks make such excellent falconry birds is because they are one of only two raptor species (the other is the Galapagos Hawk ) that hunt cooperatively.

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The Secrets Inside Your Dog’s Mind

4 The Love Of Animals

Understanding a pointed finger may seem easy, but consider this: while humans and canines can do it naturally, no other known species in the animal kingdom can. It’s no coincidence that the two species that pass Hare’s pointing test also share a profound cross-species bond. See pictures of Presidents and Their Dogs.

Wolves 100
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Germany’s Great Bustards and how to see them

10,000 Birds

I am not entirely sure whether most birders outside Germany know or realize that Germany still has a decent population of one of Europe’s most attractive and desired bird species: the Great Bustard Otis tarda. According to the observation book on the tower, even wolves are a – very remote – possibility.

Germany 101
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Thank a lemming

10,000 Birds

Where I live, there are two species of lemmings, the Brown Lemming ( Lemmus trimucronatus ) and the Collared Lemming ( Dicrostonyx groenlandicus ). If they each raised nine owlets, the owlets alone would have eaten over 25,000 lemmings from that valley. A Collared Lemming on a Beat Writer’s hand.

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From Today's New York Times

Animal Ethics

Cows, domestic sheep, chickens and many others would not survive if they were not raised for human consumption, protected from malnutrition, disease and predators. Wolves eat sheep. Such an obligation would make us the protectors of all species, and the destroyers of every ecosystem on earth. Tuna eat mackerel.