Whether in courting or protecting a feeding source they are very aggressive. The female hummingbird tends to, building the nest and feeding the young. They meet on neutral ground for mating. Hummingbirds always lay two eggs. The chicks are born naked and blind but are ready to leave the nest in 3-4 weeks.
Hummingbirds enjoy a cool bath, whether it be a bird bath, or in a cupped leaf.
After a bath they will groom themselves using their bills and claws. There is an oil gland near their tail, it's used for stroking and smoothing their feathers. They sleep with their necks retracted and their head forward. On cold nights they go into a torpor. The migration of hummingbirds has always fascinated man.