Every year, scientists closely monitor the birth of North Atlantic right whales during the annual calving season. Below is an archive of mother-calf pairs identified during the 2021-2023 calving seasons.
On the 50th anniversary of the Marine Mammal Protection Act, NOAA Fisheries staff reflect on 50 years of marine mammal conservation accomplishments and look forward.
Recent research reveals that smaller female North Atlantic right whales produce fewer calves. Their body size has been declining in recent decades due to increased entanglements in fishing gear and other factors.
Learn the latest on endangered Southern Resident killer whales with Dr. Megan Wallen, a marine mammal specialist in NOAA Fisheries West Coast Protected Resources Division.
