A Nature Survival Scheme

first-male-bees-spotted-babysitting-are-mostly-stepdads

Excerpt:

"This male behavior isn’t some bizarre selflessness. The longer a male hangs around a female and her nest, the more likely he is to sire a youngster, Mikát found. (It’s a competition with other males for daughters. An unfertilized bee egg will grow into a male, but it takes sperm to create a female.) "