This primate is also referred to as black-handed spider monkey or Ateles ... crocodiles. Proboscis monkeys are remarkable jumpers, capable of covering significant distances between trees. Their ...

while the Peruvian yellow-tailed woolly monkey has longer, softer fur the color of dark chocolate with a distinctive yellow stripe on the underside of its tail and white hairs around the mouth.

Mar. 12, 2025 — We're all familiar with Pavlovian conditioning, in which a reward-anticipatory behavior follows a reward-predicting stimulus. Perhaps you experience it yourself when passing a ...

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While there are many hundreds of species of hawkmoths found throughout the tropics, Darwin’s hawkmoth, with its 9- to 14-inch-long coiled proboscis, is found only in Madagascar. Xanthopan morgani ...