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A Strategic Arms Race Among Birds

10,000 Birds

The vast majority of the 10,000+ living species of birds are passerines, and the vast majority of those have a similar system of breeding: Mom and dad bird make a nest and share parental responsibilities roughly equally, if not identically. …because cooperative breeding facilitates defense against brood parasites.

Breeders 206
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Flying Lemons Everywhere

10,000 Birds

Laight has recorded some 100 species here, including Slavonian (Horned) Grebe and Red-rumped Swallow (the first is a rare migrant/wintering species only, while the second one is an uncommon breeder). This species nests in colonies and may forage up to 6 miles away from breeding sites and the nearest mine pits are some 4-5 mi from here.

Turtles 116
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Polygynandry and avian swingers

10,000 Birds

Over the next few days, the Alpine Accentors ( Prunella collaris ) will arrive on their high-Alpine breeding grounds – it is time to start singing, despite that the treeless Alpine landscape is still under metres of snow. all Alpine Accetor photos digiscoped (c) Dale Forbes. all Alpine Accetor photos digiscoped (c) Dale Forbes.

2011 217
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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. Feral geese run the gamut from pure white to almost entirely gray or brown. We certainly see enough of them, don’t we? Thanks for visiting!

Geese 145
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Petrel Paradise

10,000 Birds

Birders who have been to California might be familiar with the latter two, indeed we would be close to the Poor Knights Islands later in the day, the site of the only breeding colony of Buller’s Shearwaters in the whole world. It is also restricted as a breeder to the north of North Island. Thanks for visiting!