Blue whales migrate during summer to feed in colder regions where krill is plentiful, like in the waters off California. They return to warmer regions such as the Gulf of California and the eastern ...

A North Atlantic right whale was spotted with her new calf off Florida's east coast Feb. 23. The whales are among the most ...

But across various blue whale populations, high pregnancy rates of 33–50% annually seem to contradict the average 3.1% rate ...

But across various blue whale populations, high pregnancy rates of 33-50% annually seem to contradict the average 3.1% rate of sightings of blue whales involving mother-calf pairs. When compared ...

In fact, just two blue whale births have ever been documented ... falling far below what should be expected based on pregnancy rates. For example, just 35 were documented in the Gulf of ...