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New blue whale population discovered

New blue whale population discovered

Blue whale vocalisations are very low and can reach other whales through the water up...
The last river dolphin

The last river dolphin

Baby (also known as Orinoco or Butu) was 47 when he died at the zoo...
What am I grateful for in 2020? Whales, dolphins, and you

What am I grateful for in 2020? Whales, dolphins, and you

Like many other people, my 2020 has included many phases -  from the incredibly optimistic...
Belugas take little steps to new life in sanctuary home

Belugas take little steps to new life in sanctuary home

The whales made good progress in their care pools in the bay and in September...

Are orcas behind a drop in great white shark numbers?

orca-rob-lott-3

A drop in the numbers of great white sharks in the coastal waters around South Africa could be due attacks by orcas according to a new government report.

The report suggests that the orcas are killing sharks and eating their livers, which has led to the disappearance of great whites from the waters of False Bay, off of the coast of Cape Town.

Around seven great white shark carcasses have washed ashore in False Bay since 2017 showing teeth markings that government experts think may indicate attack by orcas.

Previously, experts have thought illegal hunting, over fishing, pollution and climate change could all be reasons for the fall in shark numbers, but the latest report links the decline with increased orca presence in the area, which may also drive sharks away from normal feeding ground for up to a year.

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