On islands, many plants rely on animals such as birds, bats and reptiles to disperse their seeds and help them grow in new places. When native animals go extinct, this naturally reduces seed dispersal ...

Nature is full of evolutionary selflessness. From deep-sea octopuses to certain marsupials, there are animals and insects that reproduce and then die, as their lives can be cut short because they ...

It isn’t just snakes that fill up the reptilian quota of egg-laying animals. A group of reptiles — known as squamates — comprised of lizards, turtles, crocodilians, and snakes, are all overwhelmingly ...

A global study reveals sexual selection influences life expectancy differences between sexes in mammals and birds, reshaping aging research and public health.

Researchers who analyzed data from zoo animals found that it is not only genetics, but mating pressures that may determine which sex has the longer lifespan.