Everything you always wanted to know about whales: questions and answers.
2017 / 08 / 28
What is this beluga doing with this piece of wood?
In this video taken in the summer of 2016 off the land-based Pointe-Noire Interpretation and Observation Centre, a beluga is seen exhibiting curious behaviour. For several minutes it interacts with a ...
2017 / 08 / 21
Is Montréal’s and Québec City’s wastewater having an impact on whales?
The Montréal region alone produces 2/3 of the wastewater in Quebec. The province’s second most densely populated city, Québec City, also discharges its wastewater into the St. Lawrence. Most w...
2017 / 07 / 31
Are sonars used to locate whales?
From the inflatable boat to the large ferry, every whale-watching boat is equipped with a radar and a sonar. While radar is used to probe fog and detect objects on the surface, sonar is employed to ex...
2017 / 07 / 13
How can a beluga survive out of water?
The rescue operation of the beluga trapped in the Nepisiguit River, New Brunswick, raised the question: how can a marine species survive out of its environment? For the occasion, Whales Online met wit...
2017 / 06 / 30
What is the function of the callosities in right whales?
A text from Sonia Villalon The callosities in right whales are irregular patches of thickened and keratinized tissues. These tissues are habitat for three species of amphipod crustaceans specializing ...
2017 / 06 / 06
What was learned from the exceptional red tide of August 2008?
In an interview with Whales Online, phytoplankton ecology researcher Michel Starr from Fisheries and Oceans Canada answers the following question: What was learned from the exceptional red tide (artic...
2017 / 05 / 23
What is a “water column”?
In a number of Whales Online articles, the term “water column” is used. What does this refer to? From the shoreline, water can sometimes appear to be a uniform mass. However, water separat...
2017 / 04 / 10
Where does the Estuary end and the Gulf begin? And what would make a species better adapted to the Gulf than to the Estuary?
When we speak of the St. Lawrence, we often hear the terms “Estuary” and “Gulf”. What do they mean? Where does the Estuary end and the Gulf begin? The St. Lawrence River origin...
2017 / 04 / 04
Can a whale be identified by its behaviour?
Many researchers identify whales using photo-identification, thus by their physical appearance. But can they identify individuals based on their behaviour? Can one recognize an individuality – a per...
2017 / 03 / 10
Why is plastic sometimes found in the stomachs of whales?
How is it that 30 plastic bags find their way into the stomach of a cetacean? The issue was raised after the discovery of a Cuvier’s beaked whale stranded in Norway last January, whose digestive...