sirenias

marine biologists study the evolution of sirenias.

coastal development threatens the natural habitat of sirenias.

most sirenias are strictly herbivorous marine mammals.

the order sirenias includes manatees and dugongs.

boat propellers often cause fatal injuries to sirenias.

warm waters are essential for the survival of sirenias.

seagrass beds are the primary foraging grounds for sirenias.

conservation efforts are helping sirenias recover from near extinction.

the fossil record indicates that sirenias evolved from four-legged ancestors.

slow-moving sirenias are vulnerable to cold stress in winter.

aquatic plants constitute the main diet of all sirenias.

many tropical cultures have folklore about sirenias resembling mermaids.