Seal Facts - Woods Hole Oceanographic Institution
2024年4月11日 · Western 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.
Seal Whiskers Inspire Marine Technology – Woods Hole …
2016年1月27日 · The night approaches quickly. A harbor seal plunges into the water, diving deep as the sunlight recedes. Through the dark, turbid waters, she searches for fish. Suddenly, the whiskers on her right cheek begin vibrating. And she’s off. Heather Beem is closely examining seal whiskers for insights to design new…
Weddell seals in the Antarctic strategically time their most extreme ...
Woods Hole, Mass. (Oct. 29, 2024) – Erebus Bay, Antarctica, is home to the southernmost population of the world’s southernmost living mammal – the Weddell seal. These seals may look like couch potatoes when they are resting on the ice, but Weddell seals go to great lengths to make a living in the harshest and most rapidly changing ...
The value of iron for a seal - Woods Hole Oceanographic Institution
2024年4月11日 · Most seal pups don’t make it through their first year, and the researchers want to figure out whether higher iron intake makes a difference in the pups’ survival. “Everyone has been focused on the abundance of prey and how many calories seals are able to take in, but maybe just as important is getting the iron that they need,” Shero said.
The Return of the Seals – Woods Hole Oceanographic Institution
2013年11月26日 · Then 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 ...
Seals and Wild Horses on Sable Island, Nova Scotia
Seal pups are fully weaned at 18 days old, and spend up to three weeks living off their fat stores until they take to the sea to forage on their own. Shero and her colleagues are investigating how iron in the mother seals’ diets impacts the pup’s diving capacity– and survival rates.
Is sea-level rise exaggerated? - Woods Hole Oceanographic …
2022年9月19日 · Cazanave, A., et al. 2018. Global sea-level budget 1993-present. Earth System Science Data, vol. 10. doi: 10.5194/essd-10-1551-2018.
Early seal gets the fish: Secret hunting habits of Weddell seals are ...
2024年11月1日 · 266 Woods Hole Road, Woods Hole, MA 02543-1050. Woods Hole Oceanographic Institution is a 501 (c)(3) organization.
Scientists and fishermen team up to film seals in fishing nets
2020年8月6日 · Seals find ease in taking a meal already ensnared in wall-like gillnets cast by fishermen, but at what cost? WHOI biologist Andrea Bogomolni works with the fishing community to record and observe this behavior with the hopes of mitigating marine mammal bycatch
Seal Spy - Woods Hole Oceanographic Institution
2019年5月1日 · “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 ...