Human air pollution can be a menace to belugas' health when they congregate in river estuaries. Whale-observing has become a booming exercise in the St.
Easa, P. S. "Musth in Asian Elephants". Male Asian elephants are usually about 261-289 cm (8 ft 7 in - nine ft six in) tall at the shoulder and 3.5-4.6 t (3.9-5.