One risk of sexual behavior is catching a disease from a partner. But sex partners trade a lot of other microorganisms as well, and some of them might actually have beneficial effects.
OK, technically pollen isn’t sperm–it’s the tissue that makes sperm. But there’s sure a lot of it caught in this bee’s hair. There’s so much packed on her back legs that it makes them look like puffy pantaloons.
For nectar-eating animals like bats, birds and bees, there is only one way to feed: they are either born with a proboscis that sucks up sweet, tasty flower sugar or a tongue for spooning it up. Whatever nectar-acquiring tool these animals are born with ultimately dictates what kind of nectar they can consume:…