Scrapie, also called rida or tremblante du mouton, fatal neurodegenerative disease of sheep and goats. Scrapie has been endemic in British sheep, particularly the Suffolk breed, since the early 18th century. Since that time the disease has been detected in countries worldwide, with the exception of Australia and New Zealand, as well as in other breeds of sheep.
The vampire bats are the only mammals in the world that live on blood alone, and the unique challenges of that diet make them some of the most specialized, fascinating and downright weird animals that nature has to offer.1.he vampire bats are the only mammals in the world that live on blood alone, and the unique challenges of that diet make them some of the most specialized, fascinating and downright weird animals that nature has to offer.
The vampire bat lineage diverged from its family 26 million years ago. The hairy-legged vampire bat likely diverged from the other two species of vampire bats 21.7 million years ago. Because the hairy-legged vampire bat feeds on bird blood and it is the ancestral vampire bat, it is likely that all vampire bats initially fed on bird blood.