No it shouldn't be capitalized.
The offspring of whale (including the gray whale) is called a calf.
The gray whale is actually black.
A whale
no
Blue Whale
Eschrichtiidae
Killer Whale
Fin whale. It is the 2 largest whale.
A Gray Whale
No, "narwhal whale" does not need to be capitalized in the middle of a sentence unless it is part of a proper noun or title.
The gray whale is not an endangered species. Listed as "Least Concern" by the IUCN.
The marine mammal of California is the California Gray Whale.