Blue whale newsさんのイラストまとめ

Seasonal blue whale presence in the NW Atlantic based on song recorded on 281 underwater hydrophones. A tour de force of a paper by Genevieve Davis et al.
https://t.co/Cf6wfSnbRH

Chilean blue whales dive deeper during the day but not at night, because the food they eat is up near the surface at night. At night they are consistently <12 m depth, which is shallow enough for ships to hit them and kill them.
https://t.co/ObGuyViStF

@sergiperezjorge Yes, here is the separation for E and W populations in the North Pacific, based on call types. I don't think the N Atlantic is considered to be more than one population though, as far as I know.
Ref: https://t.co/SOBybOeoTf

Corpora in blue whale ovaries are used to count how many times a blue whale has been pregnant. The Whale (1968).

The biggest heart for Valentine's Day? The blue whale! Featuring our research.
http://t.co/BkcU5BYDmd