Along the midline, it is a lighter gray which extends as a blaze over on the side near the dorsal fin. 2013). In celebration of National Biodiversity Month, we will be highlighting these amazing animals we are so lucky to have in our own watery backyards, beginning with our very own Burrunan dolphin! Burrunan dolphins in Victoria The Burrunan dolphin (Tursiops australis) is a rare and endangered species of bottlenose dolphins, with two genetically distinct year-round resident populations in Victoria. 2019), further strengthen the phylogenetic placement in a distinct monophyletic clade, as a sister genus to all other sampled Tursiops species. VIC 3188, Australia. Dolphins belong to the suborder Odontocetae, which groups all toothed whale species, the largest of which is the sperm whale. For example, the biological species concept defines species based on reproductive isolation (or their inability to interbreed with other species), and the phenetic species concept defines species as sets of organisms that look similar. The Burrunan are known to inhabit semi-enclosed embayments, estuarine systems, have been noted high up in freshwater rivers and along open coastal environments. Prior to the new research, the Burrunan dolphin was thought to be a metapopulation (a geographically separate population) of T. truncatus. Some recent genetic evidence suggests the Indo-Pacific bottlenose belongs in the genus Stenella, since it is more like the Atlantic spotted dolphin (Stenella frontalis) than the common bottlenose. Discover interesting information about this exciting By size, the Burrunan dolphin is between the other two species of bottlenose dolphins, and only around 150 individuals have been found in two locatio © 2006-2014 Encyclopædia Britannica, Inc. Britannica.com | Privacy Policy | Terms of Use/Legal Notices | Blog Archive | Contact Us, In case you're mulling the relative ranking of. The Burrunan dolphin (Tursiops australis) is a species of bottlenose dolphin found in parts of Victoria, Australia. Burrunan dolphins have also been sighted interacting with other marine mammals including Australian fur seals, common dolphins, humpback whales, and southern right whales. Scientists typically define species based on one of several different species concepts. The IUCN lists both species as data deficient on their Red List of endangered species because of this issue. Being such small populations with very low numbers, there is a severe conservation threat for our Burrunan dolphins, and as such Burrunan dolphins are listed as ‘Endangered’ under Victoria’s FFG Act.

Females typically live 5-10 years longer than males, with some females exceeding 60 years. Plastics, litter and marine debris, along with irresponsible boating and fishing, can all have severe long-term impacts on the health of the species. The Burrunan dolphin (Tursiops australis) is a species of bottlenose dolphin found in parts of Victoria, Australia.It was recognised as a species in 2011. In 2011, news related to the animal kingdom caught the attention in the world. 2011). Ventrally, it is off-white, which reaches over the eye and the flipper in some instances.

By size, the Burrunan dolphin is between the other two species of bottlenose dolphins, and only around 150 individuals have been found in two locations. Fun facts! Moko swam up to the stranded whales, who were trapped between a sandbar and a beach, and led them through a channel out into the open sea. Until this point in time, it was thought that all Burrunan dolphins were either common bottlenose dolphins or indo-pacific bottlenose dolphins.

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