| DAS | type genus of the Dasyatidae |
|---|---|
| DAS | one of the largest stingrays |
| DAS | densimeter consisting of a thin glass globe that is weighed in a gas to determine its density |
| DAS | armadillos |
| DAS | type genus of the Dasyproctidae: agoutis |
| DAS | agile long-legged rabbit-sized rodent of Central and South America and West Indies |
| DAS | agoutis and pacas |
| DAS | type genus of the Dasypodidae |
| DAS | having nine hinged bands of bony plates |
| DAS | any of several more or less arboreal marsupials somewhat resembling martens |
| DAS | small carnivorous nocturnal marsupials of Australia and Tasmania |
| DAS | small carnivorous nocturnal marsupials of Australia and Tasmania |