This means that, like bats, pygmy sperm whales use sound to navigate and "see" the world around them. They generally appear slow and sluggish, with no visible blow Jefferson et al. Two reported sightings of Pygmy Sperm Whales have occurred in Australian waters, along with 82 strandings. It is one of the most common stranded species in Florida sound. The newborn calf is about one meter long. They reach sexual maturity when they are 4 to 5 years old. Female Pygmy Sperm Whales are larger than males of the same age, with maximum recorded weights being kg for females or kg for males.
List of cetacean species
During the field seasons , a total of individuals were identified in Avacha Gulf in at least three acoustic clans with different dialects. Bioacoustics V 16 3: Photographs were taken from a small boat at distances of between 15m and 50m from the whales. Blue whales typically swim at a depth of about 13 meters 43 feet when migrating in order to eliminate drag from surface waves. In the s various dolphin species experienced epidemics of a morbillivirus, a disease similar to distemper and measles. Blue whale strandings are extremely uncommon, and, because the species is largely solitary, mass strandings are unheard of.
cetacean | Life Span, Evolution, & Characteristics | FARINN.EU
Retrieved 7 January Normally, cetaceans breathe while moving through the water and spend only a short time at the surface, where they exhale in an explosive ventilation called a blow. Duration of dive data were collected on , dives. It appears to be fairly uncommon compared to other widely distributed species, being most frequently reported from South Africa, Australia, California and the northeast United States.
Sperm Whale Facts | Size, Features, Behavior, Habitat
Description: Using their dark dorsal colors to help them blend in while cruising near rocky bottoms, they watch for unsuspecting seals on the surface above. Short-finned pilot whale G. Of the parasites and commensal organisms, some are also found on fish and marine turtles, and others are specific to cetaceans. Retrieved 21 April