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Siamangs have large gular sac (throat pouch) that can be inflated to the size of its head, allowing it to make loud, resonating calls or songs

Siamangs have large gular sac (throat pouch) that can be inflated to the size of its head, allowing it to make loud, resonating calls or songs

Video Credits to: u/aloofloofah
< Previous Fruit bats are extremely protective and loving mothers, wrapping their young up in their wings to keep them warm. With orphaned baby bats, this is substituted with a soft blanket in which the bat is bundled up burrito-style. Persian carpet flatworms, which are both male and female, have two penises which they use to engage in penis fencing, attempting to inject sperm into their opponents in order to fertilize them while at the same time trying to avoid becoming impregnated th Next >
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