Scientists crack mystery of Narwhals after whales caught on film stunning fish with tusk
Source: The Independent
Scientists crack mystery of Narwhals after whales caught on film stunning fish with tusk
The Arctic creatures are called 'unicorns of the sea'
Narjas Zatat | 2 hours ago
Never-seen-before footage of the narwhal has revealed an aspect of their physiology which has caused much debate: the ‘horn’ protruding from their heads.
Scientists have long speculated about the reason for its existence – from use as an ice pick or weapon to sexual selection and even echolocation.
One theory of how these whales use their tusks has finally been confirmed.
Footage captured by two drones in Tremblay Sound, Nunavat, in north-east Canada found the tusks are used to stun Arctic cod by ramming into them.
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Read more: http://www.independent.co.uk/environment/nature/scientists-narwhal-video-footage-mystery-secret-of-whale-a7734446.html
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