10,000 Birds
AUGUST 20, 2013
From Birdlife International, “In 2010-2011 an American Mink Neovison vison, a new arrival on the Buenos Aires plateau, killed more than half the adults in a breeding colony of two dozen nests (Roesler et al. We only observed 6 breeding colonies, two in 2009/2010 and four in 2010/ 2011, totalling 242 nesting attempts.
10,000 Birds
NOVEMBER 5, 2015
Egg harvesting to sell as food was intensive then, with thousands taken annually from the breeding colonies in Chile. Egg collection for local consumption still continues at lower scale. Despite the long history of impacts and steady population decline, the Andean Flamingo has been declared endangered as recent as September 2010.
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10,000 Birds
SEPTEMBER 16, 2012
In theory the eggs are laid, the adults share the incubation of the eggs for 28 days and then fluffy chicks emerge. Well, basically it is a good area for putting a nest as there is ample food nearby and the dunes offer protection and good views of incoming predators. If only it was that easy!
10,000 Birds
NOVEMBER 8, 2015
Egg loss to predation has been extraordinarily bad this year and all of the nests mentioned in the last post were lost and all of the pairs of Pied Oystercatchers laid a new clutch of eggs. In fact they have not just laid once again, but many pairs have laid up to five clutches of eggs this season.
10,000 Birds
FEBRUARY 6, 2020
His first surmise seems like a good one – that the feathers are meant to hide the eggs from other female swallows seeking to parasitize the nest, by disrupting the parasite’s timing (if eggs are present, the parasite would know that the nesting mother is ready to incubate – that is, incubate not only her own eggs, but the parasite’s, as well).
10,000 Birds
DECEMBER 7, 2021
This may have been partly a leftover from the Victorian fascination with egg collecting (the infamous passion known as oology), but probably more from people’s burgeoning interest in the nests and eggs found in their gardens and fields, gateway artifacts to a newer hobby called birdwatching. The Harrison guides are out of print.
10,000 Birds
FEBRUARY 3, 2015
These fossils are seen as proof that some dinosaurs brooded over its eggs. “Feathery forearms would have allowed these emu-sized dinosaurs to shade their eggs from the head of the midday sun 80 million years ago” (right, Dinoguy2/Wikimedia). Like birds. The book begins with the discovery of Archaeopteryx in Germany in 1861.
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