The species is also designated as depleted under the Marine Mammal Protection Act. The total population of sei whales in all U.S. waters is unknown.

GRAY WHALES ; 2021/2022. 17,430 ; 2022/2023. 14,530 ; 2023/2024. 19,260.

3 апр. 2024 г. · ... population that is increasing (estimated population of 50,000). The global sei whale population was severely impacted by commercial whaling ...

The global population of these whales is estimated at only 57,000 to 65,000. The take of these animals peaked in the 1964-65 season, when 25,454 of these whales ...

6 июн. 2024 г. · ... Whale Dolphins (730–6,700), 920 Risso's Dolphins (180–4,800), 200 Blue Whales (59–670), and 70 Sei Whales (24–210). These estimates ...

It is one of ten rorqual species, and the third-largest member after the blue and fin whales. It can grow to 19.5 m (64 ft) in length and weigh as much as 28 t.

After the 2019-2023 unusual mortality event, the eastern North Pacific population abundance is around 20,000 (2024). The status of the western North Pacific ...

Today, the global sei whale population is estimated to be around 80,000, less than a third of its pre-whaling population.

The current global population is estimated at 80,000 animals. Most individuals are migratory between higher latitudes in the summer and lower latitudes in the ...

22 окт. 2024 г. · A group of researchers that studies the whales said Tuesday that the population increased to an estimated 372 in 2023. That's an increase of about 4% from 2020.