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

10,000 Birds

In some regions of the world, the carnivore landscape is taken up by many different cats at the middle and larger range, and by things like civets and mongoose at the smaller end. There is not a wild cat, such as the Wildcat, in North America, at that lower end of the size range for cats. They are invasive species.

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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? It is extinct. Guam Rail Gallirallus owstoni. Photo copyright The Smithsonian’s National Zoo, taken from the Guam Rail page. .