41.   In addition, the U.S. requires that tuna-fishing nations take specified steps to minimize the incidental taking of marine mammals.

42.   In contrast to the traditional forms of restraint, marine mammal trainers have long taught husbandry behaviors to their animals to facilitate medical exams.

43.   In addition to these playful but endangered marine mammals, you may see alligators, otters, ospreys and bald eagles.

44.   In an unprecedented move, state regulators have closed much of the California coast to commercial gill-net fishing to protect endangered seabirds and marine mammals.

45.   In January, she became the first marine mammal ever to be equipped with a satellite tracking device that could transmit data directly onto the Internet.

46.   In the Pacific, researchers found two distinct forms called residents, which limit their range, and transients, which roam along the coast feeding on marine mammals.

47.   It is pegged to devastating floods, drought and huge shifts in the distribution of fish, oceanic birds and marine mammals.

48.   It was the first whale rescue for Harbor Branch, which just opened a marine mammal emergency care center north of Fort Pierce.

49.   It is helping veterinarians make smarter judgments about colonic temperature readings in marine mammals.

50.   Just as a construction blast bothers humans who are nearby, marine mammals can be irritated by noise.