Kalahari scrub robin Kalahari scrub robin The Kalahari scrub robin ("Cercotricha paena") is a species of bird in the family Muscicapidae. It is sometimes known as the sandy scrub robin. It is found in southern Angola, Botswana, Namibia, northern South Africa, and Zimbabwe, where it occurs in sandveld with low trees and scrub, on the edges of woodland, and in savanna. It will also inhabit human-altered environments including old fields and gardens. The species is common and not considered threatened by human activities. The Kalahari scrub robin is a seasonal breeder, with the season stretching from August to February, and peaking in November,
Desert pupfish finished spawning, she will flee in a "panicky" style with the male in pursuit. This chase lasts for about 5 minutes before the male swims to the bottom and both fish begin foraging. "C. macularius" are euryhaline and eurythermal, tolerating temperatures between approximately 4º and 45 °C and salinities ranging from 0 to 70 parts per thousand, exceeding the tolerances of virtually all other freshwater fish. The desert pupfish can also survive dissolved-oxygen concentrations as low as 0.13 ppm. The desert pupfish has been noted to be more abundant in environments with high vegetative cover, pH and salinity, and low