Do nonhuman animals ever cry from sadness? Tears are useful for our eyes—as they are for many other animals. A lot of mammals, reptiles and birds have tear glands that secrete aqueous fluid.

Animals do have lacrimal glands, which they use for reflex tears. But in humans, something seems to have changed somewhere along the way. What started as distress calls that many animals make became ...

D r Arianne Pontes Oria stands firm: she does not make animals cry for a living.. Technically, only humans can cry, or weep in response to an emotional state, says Oria, a veterinarian at the ...

Elephants Cry and Rats Giggle Because Animals Are Thinking Beings That Feel and Have Emotions. Published Jan 10, 2018 at 3:50 PM EST Updated Jan 11, 2018 at 8:42 AM EST.

Some animals, however, probably can. Bats, mice and moths could potentially live in a world filled with the sounds of plants, and previous work by the same team has found that plants respond to ...