This question was posed as part of New Scientist’s Last Word series, in which readers give scientific answers to each other’s ...

Humans appear to be the only species clearly proven to shed tears specifically because of emotions. Elephants, primates, and dogs show behaviors and biological responses that come closest to human ...

The expression “crocodile tears” is often used to describe fake or insincere emotions. Surprisingly, crocodiles do actually produce tears. But unlike humans, whose tears are closely tied to emotions, ...

Koalas: Koalas are known for their distinctive, high-pitched cries, which they often emit when these animals are distressed or frightened. Goats: Baby goats, or kids, can emit plaintive cries that can ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. While it may seem like pets can understand our emotions at times, ...

Bats: Certain bat species produce high-pitched cries that might remind people of human crying, especially when they are in distress or experiencing pain. Seagulls: Some seagull species have calls that ...

Crying is one of the most recognizable human emotional signals. Tears appear when people experience grief, relief, joy, or deep stress. Because this response is so familiar, observers often assume ...