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Halichoerus grypus
| Size | 1.6â2.3 m About the length of a family sofa |
|---|---|
| Weight | 105â310 kg Up to the weight of two adult men |
| Lifespan | 25â35 years |
| Rarity | Uncommon |
| M vs F | Males (bulls) are much larger and darker with a distinctive "Roman nose"; females (cows) are smaller, paler and more slender-snouted |
| Habitat | Rocky coastlines, islands, offshore reefs; pupping beaches in autumn |
| Best time | OctoberâDecember for dramatic pupping beaches; visible year-round at haul-out sites |
| Conservation | UK: Green LC |
Did you know?
The UK holds over 40% of the world's Grey Seal population â more than anywhere else on Earth, including their large colonies on remote Scottish islands
The UK holds over 40% of the world's Grey Seal population â more than anywhere else on Earth, including their large colonies on remote Scottish islands
More for experts
Grey Seals can slow their heart rate from around 100 bpm to as low as 4 bpm during a deep dive â a reflex called the "diving response" that prioritises blood flow to the brain and heart
Often confused with
Common Seal (smaller, dog-like face, spots, found in sheltered estuaries)
Common Seal (smaller, dog-like face, spots, found in sheltered estuaries)