The snorty study is in the journal Animal Behaviour.

这项研究发表在《动物行为》期刊上。

The increase in snorts reflects the animals' inner emotional state: as they become more excited or more aggressive, their songs become, well, snortier.

当它们变得更兴奋或更具攻击性时，它们的歌声中的“喷鼻息声”就会更多。