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According to Couzens, after laying the eggs, females sometimes immediately abandon their first mate and pair up with another male. ” I can see how this line of thinking leads to all kinds of sci-fi types of thought (“would I mate with an alien if I was the last human on earth”, etc.), How efficient. How surprising.
But while humans mainly try to stay slim and fit for health reasons, Eurasian Siskins care more about the danger of being eaten. In science speak, this is named the optimal body mass hypothesis. People tend to eat more food when in company. The same was shown for Eurasian Siskins ( source ).
Not all habitat change is due to humans; there is Chestnut Blight destroying American Chestnuts in the early 1900s, and the more recent Dutch Elm disease. Patrol and enforce wildlife-damaging violations, including the taking of endangered native plants, capturing turtles, riding ATV’s on pedestrian trails, and abandoning fishhooks.
An abstract of a scientific paper reads as follows (unabridged): “External examination of free range abandoned dead Greater Coucal in a veterinary dispensary, Vellore, Tamil Nadu, India revealed presence of a large sized louse in the feathers and was identified as Laemobothrion maximum on the basis of morphology and size of the louse.”
The Sacred Ibis was seen as the incarnation of the god Thoth, who (with gods apparently better at multitasking than humans) was (or maybe still is, who knows?) was responsible for maintaining the universe, judging the dead, and for writing and science ( source ). Possibly also for doing the dishes. Two ways of life folded at once.
These two islands are about halfway between the tip of South Africa and Antarctica in the Subantarctic Indian Ocean, have had relatively few human visitors, and are primarily inhabited with some of the rarest seabirds in the world and a smaller number of mammals. Little did we know, they went to bed early to rise early.
The causes were the usual reasons for island extinction—deforestation by both humans and invasive plants that crowded out native plants, hunting, and invasive rats, mongoose, monkeys, and, of course, feral cats. Is it any wonder that Pink Pigeons were on the brink of extinction when humans intervened? On the WCS web page, Ms.
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