grey seal
noun[C]
uk/ˌɡreɪ ˈsiːl/us/ˌɡreɪ ˈsiːl/(USalsogray seal)atypeoflargeseal(= amammalthateatsfishandlivespartlyin thesea),foundin theNorthAtlantic:
灰海豹Somespecies, such asgreyseals, also usetheirforeflippers tohelppullthemforward.有些种类的动物,如灰海豹,也会用前蹼助力前行。
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- Greysealsbreedinlargegroupsthat maycontainhundreds ofanimals.
- Thegreysealof theNorthAtlantic Oceanbreedsduring thefallandwinter.
- The NewJerseycoastis alsohometograyseals, whosecoatsactuallyrangefrombrowntojetblack.
- DecliningsharkstocksoffeasternCanada may havepromotedanincreasein thegreysealpopulation.
Marine mammals
- beluga
- cetacean
- dolphin
- dugong
- elephant seal
- fur seal
- harp seal
- humpback whale
- killer whale
- manatee
- minke whale
- monk seal
- narwhal
- orca
- porpoise
- sea cow
- sea lion
- sperm whale
- walrus
- whale