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Topics about "howler monkeys" include:

  1. Lysozyme
    Lysozymes are common antibacterial enzymes that protect our eyes and nose from infection, but some animals have recruited them for a rather different purpose...

  2. Foregut fermentation in mammals
    Foregut fermentation is best known from the ruminants, such as cattle, deer and giraffes, that regurgitate and rechew their food to aid microbial digestion. However, they are not the only mammals to have evolved this digestive strategy...

Topics containing the search term "howler monkeys" are:

  1. Trichromatic vision in mammals
    Who has not enjoyed the splash of colour in a market: gorgeous red peppers, the green of basil and what on earth are these purple vegetables over there? All thanks to trichromatic vision, another story of convergence.

  2. Loss of olfactory capacity in primates and cetaceans
    It is widely thought that reduced olfactory capacity in apes is linked to the development of acute vision, especially trichromacy.

  3. Baculum (penile bone) in mammals
    Ouch!! Gentlemen, fancy a bone in your penis? Seems a bit risky, given it could fracture during copulation. Even our near ancestors had such a bone. It has probably evolved several times, but what is its function?