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Bookmark or Share- Seal Facts - Woods Hole Oceanographic InstitutionWestern Atlantic gray seal bulls can reach 2.5–3.3 meters (8.2–11 feet) in length and weigh as much as 400 kilograms (880 pounds); cows are much smaller, typically 1.6–2.0 meters (5.2–6.6 feet) long and 250 kilograms (550 pounds). Gray seals are gregarious animals—they gather in large groups on shore to breed, give birth, and molt.
- Is sea-level rise exaggerated? - Woods Hole Oceanographic InstitutionCazanave, A., et al. 2018. Global sea-level budget 1993-present. Earth System Science Data, vol. 10. doi: 10.5194/essd-10-1551-2018.
- Seal Spy - Woods Hole Oceanographic Institution“The Canadian gray seal population has increased 40 fold since the 1960s, “said Mike Hammill, a research scientist and head of the Marine Mammal Section for Fisheries and Oceans Canada. “We are interested in seeing if there have been changes in female size and mass transfer to their offspring as the population has grown, and understanding ...
- The Return of the Seals – Woods Hole Oceanographic InstitutionThen the federal Marine Mammal Protection Act of 1972 outlawed seal killing. Gradually the seal population recovered and is now thriving. A 1994 survey spotted 2,035 seals in Cape Cod waters; by 2011, the National Marine Fisheries Service counted more than 15,700, with hundreds regularly seen congregating on beaches, or “hauling out,” on ...
- Wind Water and Ice – Woods Hole Oceanographic InstitutionThe deepest recorded Weddell seal dives have topped 3,000 feet (nearly 1,000 meters), the height of a skyscraper while the longest foraging dive was recorded at 96 minutes. By comparison, the Guinness World Record for longest breath held by a free diver from Croatia was 24 minutes and 37 seconds (eat your heart out, Budimir Šobat).
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