2019 / 02 / 06
Do whales have baby teeth?
Humans have two generations of teeth: deciduous teeth (from the Latin “to fall”) – also called “baby teeth” – and permanent teeth. Known as diphyodontia, this phenomenon is...
2019 / 01 / 16
An Ancient Whale with Neither Teeth Nor Baleen
Museum collections are full of fossils that haven’t been carefully examined in years. However, by taking a closer look at a 33-million-year-old whale fossil from the Smithsonian’s National Museum ...
2017 / 01 / 25
Baby on mom’s left or right?
Do you tend to carry your baby on your left? And does your child tend to position themselves so that you are on their left when they move? If so, you're not the only one: like humans, mothers and babi...
2017 / 01 / 11
How did baleen appear?
A recently discovered whale fossil has proven to be an important piece of the puzzle with regard to whale evolution. ...
2015 / 10 / 26
Baleen Whales Possess a Unique Intestinal Microbial Flora
Their intestinal flora has characteristics of that of both carnivorous mammals and ruminants. Bacteria similar to those that can degrade the cellulose walls of plants are found in the intestines of ba...
2015 / 10 / 04
How Far Back Does the Presence of Belugas in the St. Lawrence Go?
Some of the first records of belugas in the St. Lawrence River can be found in Jacques Cartier's travel logs in 1535. In his journal entries, the explorer describes a white whale that he refers to as ...
2015 / 09 / 23
Beaked Whale Ancestors Hunted Mostly Near the Surface
The discovery of a fossil of a beaked whale (Messapicetus gragarius) dating back 9 million years reveals that this animal fed predominantly near the surface, while today's species hunt in deeper water...