Caturday felid trifecta; Tiger, Lion, Serval, and Cheetahs (our four felids are…)

by Greg Mayer Jerry is working on a Caturday felid post, but, as we all know, he is traveling in Antarctica, and thus the timing of its completion could be delayed. So, here are some felids for your Caturday fix! First up, a Siberian Tiger (Panthera, tigris altaica). Siberian Tigers are the largest of the […]

Caturday felid: how the king cheetah got his stripes

by Greg Mayer and Jerry Coyne Our felid for today is actually five felids: a mackerel (striped) tabby, a blotched tabby, a spotted cheetah, a king cheetah and a black-footed cat. In a new paper in Science by Christopher Kaelin and colleagues, the physiological basis of these pattern variations in both domestic cats and cheetahs […]

Caturday felid: the King Cheetah

by Greg Mayer Of interest to both ecological geneticists studying vertebrate polymorphisms and cryptozoologists is the king cheetah. The king cheetah, known only from southern Africa, is a striking pattern variation of the common cheetah (Acinonyx jubatus). Instead of being spotted, the dark markings of the king cheetah coalesce into stripes and vermiculations, especially along […]

Caturday felid double-header: How do cheetahs run so fast? And Toby the kitten survives a spin cycle.

We all know that cheetahs are fast, but I didn’t know they were this fast: over 60 mph, and some say over 70.  That is three times the speed of Usain Bolt, the world’s fastest man, when he ran his world-record 100 meter dash.  Imagine: by the time Bolt made it from the blocks to […]