### animal | vertebrate | mammal | whale:

Bowhead
* Some bowheads are killed by orcas
  - die from becoming wrapped in fishing gear lines
  - have flippers
* also are better at keeping abnormally dividing cells in check
  - boast two blowholes, as do all baleen whales
  - have stiff hairs on their jaws
* are among the more vocal of baleen whales
  - protected in Svalbard
  - skimmers, filter feeders that swim slowly with their mouth open, constantly eating
  - slow swimmers and usually travel alone or in small herds of up to six animals
  - usually solitary while foraging, although they are occasionally seen feeding together
* closely resemble right whales in general body shape and size.
* feed at all depths, from the surface to the bottom.
* have no dorsal fin and no throat grooves
  - short, wide flippers
  - the largest mouth of any animal in the world
* includes brains
  - breasts
  - cell membranes
  - chest cavities
  - chests
  - corpi
  - cytoplasm
  - faces
  - nuclei
  - pedal extremities
  - piluses
  - plasma membranes
  - rib cages
  - sections
  - skulls
  - sterna
  - vacuoles
  - vertebrate feet
* live in the Arctic Ocean and adjacent seas.
* migrate relative to the formation and movement of ice, north in summer, south in winter.
* often depend for survival upon their ability to travel through ice-dominated waters.

### animal | vertebrate | mammal | whale:

Bowhead whale
* Most bowhead whales feed on plankton
  - zooplankton
  - gather food
  - grow to feet
* Most bowhead whales have baleen
  - bony skulls
  - continuous distribution
  - fins
  - huge jaws
  - massive skulls
  - plates
  - shape flippers
  - skin
  - songs
  - upper jaws
  - years
  - lack dorsal fins
  - live over years
* Most bowhead whales use sound
  - underwater sound
* Most bowhead whales weigh as tons
  - over tons
* Some bowhead whales are classified as lists
  - go through periods
* Some bowhead whales have bridges
  - mutation
  - teeth
  - hold breaths
* are a baleen whale , meaning they filter their food
  - among the most vocal of all the baleen whales
  - an endangered species
  - blue-black in color, except for a variable amount of white on the lower jaw
  - capable of breaking ice up to two feet thick in order to make breathing holes
  - circumpolar, ranging throughout high latitudes in the Northern Hemisphere
  - dark gray to black except for a white chin
  - highly vocal and have a large repertoire of calls and songs
  - mammals
  - shorter but heavier at birth than most other baleen whales
  - slow swimmers and usually travel alone or in small herds of up to six animals
* are the only baleen whale species that gives birth to their calves in arctic waters
  - whales that spend their entire lives in and around Arctic waters
* breathe air.
* have a circumpolar distribution in high latitudes in the Northern Hemisphere
  - dark body and a distinctive white chin
* have massive bony skulls which they use to break from beneath the ice to breathe
  - robust bodies
* inhabit the waters around the Arctic ice edges that melt and reform seasonally.
* live exclusively in Arctic and sub-Arctic waters.
* live for over years
  - in the Northern Hemisphere, around pack ice, often in shallow waters
* open mouths.

Dead whale
* Most dead whales find along coasts.
* Most dead whales wash up on coasts
  - south coasts
* Some dead whales wash up on shores.
* tell tales of sea ice decline.

Dolphin
* are abundant and on fortunate days four species are sighted.
* seem to congregate under floating debris.
* tend to be a spring and summer fish.

### animal | vertebrate | mammal | whale | dolphin:

Amazon river dolphin
* feed on fish.
* have lifespans
  - year lifespans

Atlantic bottlenose dolphin
* have shape teeth
* hold breaths.

Baby dolphin
* stay with mothers.
* swim to surfaces.