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Domestic or Ganky Geese

10,000 Birds

Like manky mallards, ganky geese display remarkable variety due to both the methodical manipulations of breeders and the variable volatility of the more natural kind of breeding. cygnoides ) ancestors. Feral geese run the gamut from pure white to almost entirely gray or brown. Though it is certainly bad news that the U.S.

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Petrel Paradise

10,000 Birds

It is also restricted as a breeder to the north of North Island. In contrast the large Black Petrels (also known as Parkinson’s Petrels outside of New Zealand) are ornery birds that demand attention as they float about the boat. In spite of their large size they are actually the smallest of New Zealand’s Procellaria petrels.

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Polygynandry and avian swingers

10,000 Birds

In the case of Acorn Woodpeckers, they are cooperative breeders (as with many other polygynandrous species), which seems to predispose species to polygynandry. Alpine Accentors, on the other hand, are not cooperative breeders and females typically have very little to do with each other.

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