Baleen and Rorqual

Baleen noun - A horny material from the upper jaws of certain whales; used as the ribs of fans or as stays in corsets.

Rorqual and baleen are semantically related in cetacean mammal topic. In some cases you can use "Rorqual" instead a noun "Baleen".

Rorqual noun - Any of several baleen whales of the family Balaenopteridae having longitudinal grooves on the throat and a small pointed dorsal fin.

Baleen and rorqual are semantically related in cetacean mammal topic. You can use "Baleen" instead a noun "Rorqual".