- At least 14 new calves seen off south-eastern US this season
- Advocacy group warns of ongoing ‘unusual mortality event’
Wildlife officials in Florida have reported an “encouraging” number of sightings of critically endangered North Atlantic right whales off the south-eastern US, including at least 14 new calves, three born to first-time mothers.
Related: Left stranded: US military sonar linked to whale beachings in Pacific, say scientists