Male humans try and attract potential mates by your pectorals, the stretch of your Ferrari, and the mass of your bank account, but Turkeys like long snoods...
Brown-headed cowbirds are robin-sized black birds whose range covers most of North America. From a people’s point of view cowbirds are what we might call deadbeat parents. Cowbirds lay their eggs in the nests of other bird species, and the cowbird nestlings are raised by the foster parents. Since the cowbirds spend their formative months with birds of an entirely different species which has separate habits, songs, etc., how does a cowbird know it’s a cowbird? Learn more on this Moment of Science.
Have you ever heard whales moan and make noise in the sea? Learn more on this Moment of Science.
Have you heard of humming fish? Learn more on this Moment of Science.
If you slip in the bath and bang your head, you might end up in the hospital; but bighorn sheep regularly bang heads without giving it a second thought. How do they do it?
Do fish actually have a working memory? Recent experiments show that fish can in fact remember things for several days.