Research news on pumas (genus)

Pumas is a biologically invalid genus-level term in current zoological taxonomy for the felid commonly known as the cougar, puma, or mountain lion; the accepted genus is Puma within the family Felidae. The genus Puma comprises primarily the species Puma concolor and, in some classifications, the closely related Puma yagouaroundi (jaguarundi). Members of this genus are characterized by a robust, medium-to-large body, long tail, digitigrade locomotion, and cranial and dental traits typical of felines specialized for hypercarnivory. The term “pumas” should be interpreted as referring to multiple individuals of the genus Puma rather than a distinct genus.

3D-printed rattlesnake reveals how the rattle is a warning signal

A team of researchers from The University of Texas at El Paso has uncovered new evidence explaining why the rattlesnake's rattle—one of nature's most iconic warning signals—has persisted and proven so effective across millions ...