资讯

Dolphins and whales use sound to communicate ... which in humans connects the lower jawbone to the cheekbones and is a key muscle involved in chewing. "This study has revealed that the ...
“This revealed the extent of the rest of the entanglement which wrapped around the whale’s lower jaw and again around its ...
males have two large teeth that jut out of the lower jaw. Both male and female whales have a narrow elongated beak, and the male's two triangular saber teeth - one on each side of the jaw ...