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Body-building finches.

10,000 Birds

There I found a study which showed that the ingenious little birds had found a protein source that allowed them to coincide their breeding with times of man-made, rather than natural seasonal abundance. They are popular as caged birds and escapees have established a number of feral populations beyond their normal ranges.

Asia 187
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Baby Mute Swans – “immutabilis” morph

10,000 Birds

Its natural range in Europe was restricted the the surroundings of the Baltic Sea and the Black Sea, and in Asia it ranged from Asia Minor to central China. Contradicting this relentless shooting were efforts to establish feral populations in many regions of Europe, both within and outside its natural range.

Feral 168
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The Rose-ringed Parakeets of Heidelberg

10,000 Birds

The Rose-ringed Parakeet naturally occurs in two isolated areas: a thin strip across Africa just south of the Sahara, and south Asia where it is mostly found in India with smaller ranges in adjacent countries. and the White Storks are also wild and countable despite breeding at the zoo. Very stupid thing to do.

Germany 240
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Invasive species in Australia

10,000 Birds

Feral cats have been able to adapt very well in Australia and have grown larger over the years and can survive in areas that you would not expect. 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.

Australia 157
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The Domestic Turkey and the First Thanksgiving

10,000 Birds

There are a lot of other large Galliforme birds around the world, and before the Spanish were busy conquering the New World, one of these, from Central Asia most likely, was already being imported as a food product and as live birds into Europe. This is where they got their name.

Turkey 199
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4 Lions are dead: Sad and all, but does it actually matter?

10,000 Birds

For those that don’t remember, diclofenac is the veterinary drug that just about wiped vultures out completely in Asia. The elimination of vultures had its own knock on effects, such as the increase in feral dogs (now that there was more meat available for them) and corresponding increase in rabies. Conservation Lion vultures'

Lions 150
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Centennial Park, Sydney

10,000 Birds

This striking black and white bird is a common sight in the city, even in the central business district, but it is especially common in the park and breeds on the islands in the lakes here. The large ponds were home to great numbers of waterbirds of several kinds, many of which, like the ibis, breed on the islands in the lakes.