The same process applied to the slower mysticetes; the primary product from sperm whales was oil, and for baleen whales
, oil, and baleen.
We encountered 6 or possibly 7 species of baleen whales
(one encounter was undetermined; it was not possible to distinguish whether it was a Bryde's or sei whale [Balaenoptera edeni brydei, B.
While toothed whales use echolocation to find prey, baleen whales
graze mostly on zooplankton, and so some scientists have speculated that baleen whales
may not need such a sophisticated auditory system.
The result was that Japan was greatly under-reporting baleen whale
catches (with blue and fin whales being the main species), leading to significant under-estimates in the BIWS statistics.
Only later did Soviet whaling begin to utilize baleen whale
meat (frozen or canned) for human consumption.
Blue whales were the most commonly seen baleen whale
in the southern region, but were replaced by fin whales and humpback whales as the most common baleen whale
in the northern regions (Table 2).
Compare the diet of a toothed whale with that of a baleen whale
20 Nature that their analysis brings the number of known living baleen whale
species to eight, although other scientists come up with different totals.
The real health problem is that some dolphin meat is being mislabeled as baleen whale
meat," says Naomi A.
The toll included Cuvier's whales, dense-beaked whales, an unidentified species of baleen whale
, a minke whale and a spotted dolphin.
This is a rare albino real Southern Right baleen whale
calf which has drawn fans to watch it frolic off Western Australia with its 60-ton mum.
Pantropical spotted dolphin 3 0 0 (Stenella attenuata) Atlantic spotted dolphin 2 0 2 (Stenella frontalis) Striped dolphin (Stenella 2 0 0 coeruleoalba) Unidentified whale 1 0 1 Northern bottlenose whale 1 0 1 (Hyperoodon ampullatus) Unidentified baleen whale
1 0 0 Killer whale (Orcinus orca) 1 0 0 Minke whale (Balaenoptera 1 0 0 acutorostratus) Pygmy or dwarf sperm whale 1 0 1 (Kogia spp.