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Tahlequah, the Southern Resident orca, gives birth to healthy calf

Tahlequah, the Southern Resident orca, gives birth to healthy calf

J35 and J57. Photo by Katie Jones, Center for Whale Research / Permit #21238 Tahlequah...
Why do female orcas live so long after they stop having babies?

Why do female orcas live so long after they stop having babies?

Orcas are one of only five species known to experience menopause and females can live...
Humpback whales swim up river in Kakadu National Park

Humpback whales swim up river in Kakadu National Park

Wildlife experts in Australia's Northern Territory are monitoring a humpback whale that has travelled 18...
Rastus – the tale of an extraordinary dog and his love of dolphins

Rastus – the tale of an extraordinary dog and his love of dolphins

Rastus Dr Nicolette Scourse is an academic, educator, author and illustrator with a passion for...

Whale song could reveal true impact of slaughter

A team of scientists is about to leave New Zealand aboard a research ship on a mission to discover just how badly whale hunts have affected the blue whale population in the Southern Ocean.

The research ship, Tangaroa will track blue whale song using state-of-the-art listening equipment over a six week period in order to work out exactly how many remain.

Fifty years ago, blue whales in the Southern Ocean numbered more than 250,000 but, due to commercial whaling, that number fell to only about 2000.

Amazingly, the blue whale song is so loud, and the ship’s equipment so advanced, the scientist should be able to start tracking the whales not long after leaving port in Wellington.