Harbour Seal
- Up to two metres in the length.
- Up to 150 kilograms in weight.
- Found in northern temperate coastal waters.
- Black colouration with light spots to nearly white with dark spots.
- Spindle shaped body with robust head and broad snout, and no external ear flaps.
- Short, fur-covered front flippers.
Northern Elephant Seal
- Up to three metres (female) to 4.5 metres (male) in length.
- Up to 1,000 kilograms (female) and 2,000 kilogram (male) in weight.
- Found in the Eastern and central North Pacific Ocean.
- Males are uniformly grey in colour, while females and juveniles are darker brown on top and lighter underneath.
- Robust body shape that tapers at hip.
- Adult males have a large, elongated fleshy nose.
- No external ear flaps.
- Short, fur-covered front flippers.
Northern Fur Seal
- Up to 1.5 metres (female) and 2 metres (male) in length.
- Up to 50 kilograms (female) and 270 kilograms (male) in weight.
- Dark grey to black in colour for males to silver/grey undercoat with a brownish throat on adult females.
- No external ear flaps.
Grey Seal
- Up to two metres (female) to 2.3 metres (male).
- Up to 200 kilograms (female) to 250 kilograms (male).
- Found coastally in the North Atlantic Ocean.
- Dark bodies with irregular spots of light and dark.
- Males have massive shoulders and thick folded skin on neck.
- No external ear flaps.
- Long snout and wide muzzle.
Harp Seal
- 1.6-1.7 metres in length.
- 80-130 kilograms in weight.
- Found in the North Atlantic and Arctic Oceans.
- Adults have distinctive harp pattern on silvery white background and black head.
- Large eyes and pointy nose.