- Domain Eukarya- The animals in this group have cells that are multicellular. This means they have a nucleus. Some can also be single-celled
- Kingdom Animalia- This is one of the four kingdoms in domain eukarya. They lack a cell wall, and they are also heterotrophs. This means they can't make their own food.
- Phylum Chordata- Animals in this group have bilateral symmetry, and a complete digestive system. These animals also have a nervous system ( brain).
- Subphylum Vertebrata- These animals are vertebrates, this means they have a backbone. Animals in vertebrata also have large digestive glands, liver and a pancreas.
- Class Mammalia- Can product milk by using a sweat gland called a Mammary gland. They have three middle ear bones and you can characterize them by their teeth.
- Order Carnivora- Animals in this group have a large fourth upper molar and lower molar, these teeth are made for cutting. Their skulls have a lot of different forms.
- Family Phocidae-Animals in this group have different sizes and they lack an external ear.
- Genus Halichoerus- This is the Gray seal
- Speicies- Halichoerus grypus
- Male Length- The length for a male Gray seal is 2.2- 7.5 meters.
- Female Length- The length of a female can be 1.8- 6 meters.
- Male Weight- The male weight can be between 220-880 kg.
- Female Weight- The Female weight can vary between 150-560 kg.
- Pup weight- The weight for the pup can be 16 kilograms and the weight for an eleven year old Gray Seal is 220 pounds.
- Color- A gray seal has 3 different colors they can be grey, brown ,and silver. A pup has this creamy white fur and a light stomach for the first three weeks of their life. A male Gray seal has a dark grey color with silver grey dots. The female seal has a silver/grey color with small dark spots. The difference between female and male seals are that the male seals have darker fur with lighter spots, and the female have lighter fur with dark spots.
- Natural Range- The gray seal usually lives in the Western Atlantic and the eastern Atlantic, sub-arctic waters. This seal also lives in the Baltic Sea.
- Diet- The Gray seals diet is about about 15 species, so here are the main things they eat. When baby pups first start feeding they start with shrimp and small fish. Then they slowly start eating things like Cod,Salmon,Saithe,Herring,Halibut,Conger eels, Lumpsuckers, Crustaceans, and Mollusks.
- Habitat Description- These seals Live on rocky continental coasts,icebergs, ice shelves and isolated islands.
- Predators- The Gray seal has been hunted for more than 10,000 years. Humans used to kill and harvest the seals skin on a big commercial scale. Some other predators are the killer whale and the Atlantic shark species.
Grey Seal Diving
When the seal is feeding it can dive 30 to 70 meters in water, but in some areas they can dive 200 meters.
Gray seals habitat
This is an example of a rocky continental coast.
Where the Gray seal lives
This map has highlighted the place the Gray seal lives.
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