Sea otters are on the endangered species list due to over-hunting for their beautiful fur - oceanographer. Although this to me is not entirely correct as oceanographers are more concerned with physical processes of oceans. A better answer for this would be 'biologist' or 'marine biologist'.
A dinosaur mummy was found with much of its tissues and bones still encased - geologist. Although it is highly unlikely that a mummified dinosaur could be found.
Many schools in Vermont are closed due to heavy snow, sleet, and rain- meteorologist.
Black holes are a small sphere of densely packed matter - astronomer.
