The Southern Gastric-Brooding Frog (Rheobatrachus silus [6]) was an aquatic frog [7] that lived in south-east Australia. In 2002, the International Union for Conservation of Nature Red List declared the frog [7] extinct, although no wild specimens had been reported since 1981. As the common name alludes to, the R. silus was a gastric-brooder, meaning that the female's eggs developed inside of h...

Five series of experiments were accomplished, utilizing a total of 190 birds. The established methods of the department's atherosclerosis research team were followed throughout. One-day old Hy-Line chicks were obtained from a commercial hatchery and reared in a battery brooder on a diet of commercial chick starter mash. At onset of the study, the birds were divided into experimental groups and ...

A small species of the seastar genus Henricia Gray, 1840 occurs along the cool temperate Pacific coast of North America from near Sitka, Alaska to just south of Ensenada, Baja California, Mexico. Its small adult size, mottled aboral colors, and benthic external brooding reproductive mode have long been noted, but it has never been formally separated from the larger, free-spawning Henricia leviu...