In what is perhaps the strangest update we’ve heard from ecologists in a while, a Brazilian researcher has documented – on video – a moth feeding on the tears of a sleeping bird.

The researcher, Leandro João Carneiro de Lima Moraes from the National Institute of Amazonian Research, was conducting amphibian and reptile surveys in the Brazilian Amazon last November when he noticed the behavior – twice in one night – and got it on camera.

Though a human observer might be tempted to consid