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Upgraded Julius River bridges improve visitor access


Bridge upgrades at the Julius River Regional Reserve are now complete.More

Viewing platform upgrades for Rocky Cape's Aboriginal heritage sites


Two viewing platforms have been replaced as part of visitor facility improvements at Rocky Cape National Park on the North-West Coast. The platforms are at the Lee Archer Cave and South Cave sites, which have highly significant Aboriginal heritage values.More

Urban focus for World Wetlands Day


'Wetlands for a sustainable future' is the theme for World Wetlands Day 2018. This international celebration of the significance of wetland environments is held annually on 2 February.More

Dwarf Sperm Whale

Drawing by Graham Sanders
The snout of the Dwarf Sperm Whale is more pointed than that of the Pygmy Sperm Whale and its dorsal fin is larger and set nearer to the middle of the back. It is the smallest whale, reaching less than 3m and about 300kg making it similar in size or smaller than a dolphin. They can occur in groups of up to ten

General Information

Dwarf Sperm Whales are an oceanic species which occur worldwide. They prefer warmer waters than the Pygmy Sperm Whale. They reach sexual maturity when around 2m in length and can live up to 22 years. Calves may be born yearly and are weaned at about 1.3m in length.

Stranding Information

They are occasionally found stranded in Tasmania as well as South Australia, New South Wales, Western Australia and the Northern Territory. Although considered an oceanic species it approaches the coast more often than the Pygmy Sperm Whale. In Australian waters sightings are rare and they are less likely to strand than the Pygmy Sperm Whale.