For the first time, scientists have linked a global climate pattern to a specific mechanism of amphibian decline. (p. 271)

Older female elephants are far better at telling friends from strangers than are younger matriarchs. (p. 244)

The first study of home life for Madagascar's poison frogs in the wild finds a striking resemblance to a group that's not closely related, the poison-dart frogs in the Americas. (p. 230)

A new analysis of tapeworm history suggests that people have been wrong about where we picked up pests: It was not domestication of cattle and pigs but increased meat eating in Africa. (p. 215)

In a newly discovered trick for avoiding self-pollination, ginger flowers take turns at gender roles, switching from female to male or vice versa in unison around lunchtime. (p. 216)

Researchers have discovered that sensing repeated touch on the hind leg triggers a shy, green locust to flip into swarming mode. (p. 199)

It's time to stop assuming that standard gender differences in birds come from males getting bigger rather than from females getting smaller. (p. 183)

The chemical screams for help that scientists have detected from agricultural plants under attack by pests in lab settings have now been heard in the wild. (p. 166)

Orchids that can smell so alluring that bees try to mate with them can also smell repulsive to the insects. (p. 174)

The size of the swellings on a female baboon’s rump match her physical prowess for motherhood, a rare case of reproductive-quality advertisement in females. (p. 151)

An Australian expedition locates three females of a big, flightless stick insect species thought to have gone extinct. (p. 143)

Male Tanzanian cockroaches lose fights if they have too much of a particular pheromone, but females find it alluring. (p. 135)