Are buffalo and bison the same? How can you tell a toad from a frog? This article clears up confusion on mixed-up groups of ...

Thought there was no distinction between male and female dogs? Think again. A canine behaviourist has analysed some key characteristics of dogs of different genders and suggested one might seem more ...

Butterflies exhibit striking differences between males and females, a phenomenon called sexual dimorphism. These variations, ...

A woman has gone viral after revealing that her airline-issued pilot uniform lacks pockets, unlike her husband’s. "My husband and I do the exact same job at the same company. He has four pockets in ...

Among mammals, females generally live longer. The recent comparative study examined 528 mammal species in zoos and found that ...

Fast, focused and fierce, the Cooper's hawk is built for the chase. Learn what a Cooper's hawk looks like and sounds like and ...

Sexual size differences are widespread in biology, yet the "how" behind them often remains vague. We asked a concrete ...

There are multiple snake species that overlap and look remarkably similar to one another. Copperheads and Eastern hognose ...

Mark Louie Ramos does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Many butterflies develop wing patterns that mimic other species to protect themselves from predators. While growing complex ...

Sir Keir Starmer made waves on Sunday by declaring that Reform UK's policy on indefinite leave to remain (ILR) is "racist" and "immoral". Nigel Farage and his top lieutenants have reacted furiously, ...