2019 / 04 / 12
What is a laryngeal sac?
The laryngeal sac is a structure found in baleen whales, but also in many other mammals, including primates (but not humans!). Lying between the mouth and the trachea, it is a cavity associated with t...
2018 / 12 / 14
Putting a Face to a Call: Identifying Belugas Acoustically
A herd of belugas breaks through the surface of the water as their squawks, chirps, whistles and grunts fill the surroundings below – it becomes clear why they are nicknamed “canaries of the s...
2017 / 07 / 06
Are there any beluga nurseries in the St. Lawrence?
Topic of my Master’s project: Investigation of Allomothering in St. Lawrence Belugas For a long time, studies of cetaceans were restricted by the limited views offered by research vessels and la...
2017 / 01 / 24
Why leap out of the water when one weighs over 30 tonnes?
Known as breaches in scientific jargon, these leaps out of the water that whales perform serve notably to communicate with distant companions, reveals an Australian study on humpbacks. ...
2016 / 01 / 21
Do Whales have Language?
Strictly speaking, a language implies syntax in which word order determines meaning. Studies conducted on dolphins in captivity have shown that these animals were able to understand the syntax of huma...
2015 / 11 / 20
Do whales use vocal cords to produce sound?
The structures responsible for sound production differ between toothed whales and baleen whales, but exactly how they work remains poorly understood....
2015 / 10 / 14
How Far Away Can Sperm Whales Detect Their Prey?
In order to be able to feed in waters over 1,500 m deep where light is absent, the sperm whale is equipped with a long-range echolocation system. It produces unidirectional clicks of 235 dB re 1 μPa....
2015 / 04 / 28
“The Most Solitary of Whales”: Mysterious No. 52 Raises Questions, Inspires, Sparks New Scientific Commentary
This whale frequents the North Pacific and emits a range of unusual frequencies which are believed to isolate it from other large whale species which are unable to communicate with it. The media and a...