Copulating Flies. Image taken in Iquitos, Peru.

While this video has penguins mating, which is clumsy comedy, my favorite part is the little bit of penguin voyeurism. Watch the behavior of the penguins around the young couple.

Don’t have a Valentine? Don’t worry. This leopard tortoise can show you how it’s done. He just found himself a nice log…

Last, but not least, the delicate dance of mating cuttlefish:

On a side note, Backyard Zoologist is going to be updated two days a week now, on Mondays and Fridays. I will resume the three-days-per-week schedule in the fall.