What's the difference between seals and sea lions? - NOAA's …
2024年6月16日 · Seals and sea lions are marine mammals called 'pinnipeds' that differ in physical characteristics and adaptations. Sea lions (left) are brown, bark loudly, "walk" on land using their large flippers and have visible ear flaps.
What is a kelp forest? - NOAA's National Ocean Service
2024年6月16日 · Among the many mammals and birds that use kelp forests for protection or feeding are seals, sea lions, whales, sea otters, gulls, terns, snowy egrets, great blue herons, cormorants, and shore birds. These dense canopies of …
What lives in a kelp forest - NOAA's National Ocean Service
2024年6月16日 · A wide range of marine mammals inhabit kelp forests for protection and food. Sea lions and seals feed on the fish that live in kelp forests. Grey whales have also been observed in kelp forests, most likely using the forest as …
Do sharks hunt people? - NOAA's National Ocean Service
Sharks primarily feed on smaller fish but some species prey upon seals, sea lions, and other marine mammals. Only about a dozen of the more than 300 species of sharks have been involved in attacks on humans.
What is the intertidal zone? - NOAA's National Ocean Service
2024年6月16日 · Larger marine life, such as seals, sea lions, and fish, find foraging for food ideal at high tide in the intertidal zone, while a large variety of shorebirds, looking for their meals, stroll hungrily over the intertidal zone at low tide.
Ocean Food Webs Module - NOAA's National Ocean Service
Sea lions eat a variety of creatures as well as sardines. Some of your students may have discovered, while conducting research about the marine species in this activity, that some local populations of orcas feed exclusively on a specific type of species, such as salmon.
Surveying and Mapping PEIS - NOAA's National Ocean Service
Under the MMPA, NMFS is responsible for the protection of whales, dolphins, porpoises, seals, and sea lions. For species under the jurisdiction of NMFS, incidental take authorizations may be issued as either: 1) regulations and associated Letters of Authorization (LOAs), or 2) Incidental Harassment Authorizations (IHAs).
What's the difference between dolphins and porpoises? - NOAA's …
People use the terms dolphins, porpoises, and whales to describe marine mammals belonging to the order Cetacea (from the Greek work ketos, “large sea creature”), and often use them interchangeably. The orca, or killer whale, for example, is actually the largest member of …
What is a lionfish? - NOAA's National Ocean Service
2024年6月16日 · Lionfish are native to the warm, tropical waters of the South Pacific and Indian Oceans (i.e., the Indo-Pacific region), including the Red Sea. Their native range is shown in orange on the map.
Ocean Food Webs Module - NOAA's National Ocean Service
The key species in this activity are sardines, California sea lions, orcas (killer whales) and blue whales. This activity reinforces the concept that trophic level and biomass are usually inversely related; there is generally more biomass at lower trophic levels, and less biomass at …