1. However, some species, such as the beaked whales and the river dolphins, can be almost solitary.

2. North Atlantic beaked whale with a bulbous forehead.

3. Other toothed whales are bottlenose, the beaked whale, and the white whale.

4. Existing beaked whale populations are found in nearly every ocean.

5. The Peruvian beaked whale (Mesoplodon peruvians) was unknown to science until 1976 and not formally described until 1990.

6. "Up until now, the purpose of the beaked whale tusks has been mysterious, " he added.

7. Other toothed whales are the bottlenose, the beaked whale, and the white whale.

8. "There are several beaked whale species that are still known from only a handful of specimens (strandings) and some have never been seen alive, " Dalebout said via email.

9. In the case of the beaked whale, Baker's team noticed that tusks often differed between closely related species, particularly when they were known to overlap in their distribution.

10. By scanning male beaked whale skulls, the researchers imaged the whale hearing apparatus in 3-D.

11. A microphone attached to the bottom of the glider can pick up calls from all whales, including the high frequency call of the beaked whale, which until now has been difficult to detect.

12. The 17 sea mammals on gruesome display included porpoises, white dolphins, common dolphins, aa pilot whale, a beaked whale and a pilot whale.

13. Caption :Spilled guts: After being cleaned, this 10-meter Baird's beaked whale receives a long incision to prepare for slaughtering.

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14. From ingesting plastic and being caught on longlines and other fishing gear to falling victim to noise pollution, the beaked whale has a tough road ahead, according to experts.

15. A team of U. S. Navy audiologists conducted a hearing test on a rare beaked whale convalescing at a marine mammal rehabilitation center in the Florida Keys.

16. Even within our own class, mammals, roughly 300 new species have been discovered in the first decade of this century—mostly rodents, but also marsupials, a beaked whale and a slew of primates.