Robo-lizards help prove long-standing signaling theory

Biology /

Nov 24, 2008 | 4.5 / 5 (8) | 0

(PhysOrg.com) -- Like teachers who rap a ruler before announcing homework in noisy classrooms, Puerto Rican anole lizards perform eye-catching pushups before beginning head-bobbing displays that advertise ...

Jamaican lizards' shows of strength mark territory at dawn, dusk

Biology /

Aug 27, 2008 | 4.3 / 5 (3) | 0

What does Jack LaLanne have in common with a Jamaican lizard? Like the ageless fitness guru, the lizards greet each new day with vigorous push-ups. That's according to a new study showing that male Anolis ...

Clicking knees are antelopes' way of saying 'back off'

Biology /

Nov 03, 2008 | 5 / 5 (1) | 0

Knee clicking can establish mating rights among antelopes. A study of eland antelopes, published in the open access journal BMC Biology, has uncovered the dominance displays used by males to settle disput ...