Birds are the most diverse land vertebrate on the planet, and now scientists have constructed a complete evolutionary tree of the 11,000 or so known species. This data came from hundreds of studies ...

Biologists at the University of Massachusetts Amherst have released the first broad-scale, comparative, fine-grained analysis linking the amplitude, or volume, of a bird's song to its vocal frequency, ...

People typically think about evolution as a linear process where, within a species, the classic adage of "survival of the ...

Would you rather fight a horse-sized duck or 100 duck-sized horses? The famous question, though implausible, reflects a ...

Biologists recently announced that they have released the first broad scale, comparative, fine-grained analysis linking the amplitude, or volume, of a birds' song to its vocal frequency, or pitch.

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. There’s an important concept in evolutionary biology called ...

Unrelated lineages of electric fish all use the same small set of genes to create their voltage, a genetic search shows. Maybe the same genes... A Shocking Fish Tale Surprises Evolutionary Biologists ...

Evolutionary biologists are investigating the extent to which ants learn from past experiences. After being attacked by ants from a particular nest, ants behave more aggressively towards others from ...

HOUSTON, Oct. 6, 2004 -- Social cooperation is one of the most difficult adaptations for evolutionary biologists to explain because competition for resources inside the collective should lead to ...