The extent to which band structure influences the distribution of breeding activity is unknown for the slender-tailed meerkat Suricata suricatta, a cooperatively breeding mongoose. Here we present the ...

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 ...

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 ...

Animals more likely to eat their young are those with faster reproductive cycles. “Species that have large broods might be more inclined to partial brood cannibalism, just nibbling on a few offspring ...

Understanding intrinsic and extrinsic drivers of reproductive success is central to advancing animal ecology and characterizing critical habitat. Unfortunately, much of the work examining drivers of ...

The energy invested in animal reproduction is as much as 10 times greater than previously estimated when the metabolic load of bearing and caring for offspring is accounted for, according to a new ...

Early in fetal development, a mass of cells known as the bipotential gonad has the possibility of giving rise either to ovaries or testes, reproductive organs that contribute to many of the ...

The vast majority of animals need to breed to reproduce. But a small subset of animals can have offspring without mating. The process, called parthenogenesis, allows creatures from honey bees to ...