Gibbon Friends

These two cuties were watching the other Siamang Gibbons throw down with their cool vocal sacs.

Gibbons are known for a specialized form of swinging locomotion called brachiation. Bending its slender fingers, the hand forms a hook at the end of its long arm. Hooking onto a branch, the gibbon then swings itself forward to the next branch.

I hope you like it.

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