That is, the initial hybrids may produce viable offspring by mating back to one of the parent species but not the other. The resulting mixtures of genes may introduce new combinations that are ...

We know that birds sing. They also whistle, chirp, coo, caw, call, hoot, shriek, clack, warble. Some sound quite out of tune, ...

The most common definition of a species is that a species is a group of organisms that can successfully breed to produce fertile offspring. This is known as the biological species concept. This ...

Two distantly-related species that split 60 million years ago have produced an offspring on the forest floor of the French Pyrenees. We’re talking about ferns, but still, reuniting after such a ...

Plants produce an enormous abundance of natural products. Many natural plant products are ancestry-specific and occur only in certain plant families, sometimes only in a single species.

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen ...

A new species of dinosaur has been identified more than a decade after a large number of ancient skeletons were found in Spain -- and researchers expect more species to be discovered. The ...

While mammals are known for feeding milk to their young, some bird species produce a similar substance called crop milk. Pigeons, doves, and flamingos secrete this nutrient-rich fluid from their ...

The Carnarvon flapjack octopus was collected by scientists on a 2022 CSIRO research voyage, but it wasn't named until last week. The species is one of a number of newly-described species collected ...

Researchers are learning more about how the fungus coexists with the morning glory, and their findings are a real trip.