Researchers have recently identified and described a new genus and species of xanthid crab found in Okinawa Island, Ryukyu Islands, Japan. Named Mabui calculus, it is the first among the 7,800 species ...

Trilobites are perhaps the most successful group of animals ever to live. Named for their distinctive three-lobed body, these armored, pill-bug-like arthropods were some of the first hard-bodied ...

Sexual reproduction is the production of a new organism from two parents by making use of their sex cells or gametes. The humans, fish, frogs, cats and dogs, all reproduce by the method of sexual ...

Most animals reach an adult size, then spend the rest of their lives maintaining it. After maturity, their energy goes toward ...

The mating game in the animal kingdom is nothing less than fascinating and somewhat weird. Some species pierce, clone, chew, or even fake their way through the mating process. To make survival ...

Animals that can change their sex naturally might sound surprising at first, but in nature, it is simply another survival ...

This is a preview. Log in through your library . Abstract 1. We report age-specific survivorship of founding kings and queens and colony age of first production of fertile progeny (alates) of two ...

How do animals decide when to fight and when to walk, fly, slither, or swim away? Most research on animal conflict has focused on the short-term costs of single interactions, but a pair of behavioral ...