An encouraging development! The endangered southern resident killer whale known as J17 is showing improved health after local scientists warned of her condition last winter. https://t.co/BJMLJQN7GQ
New aerial photos show that the orca, who's part of J pod and B.C.'s endangered southern resident killer whale population, has lost a significant about of body fat since last fall. https://t.co/2Bin9Ui7FM@clare_hennig
保護するなら餌になる魚を捕るな
海水温が上がったとかは関係ないのかな?
妊娠やら病気やらいろんな理由で体重の増減なんてあるだろ
全ての固体から同程度の増減あればわかるけど