4.36 avg rating — 3,017 ratings

3.99 avg rating — 887 ratings

3.90 avg rating — 57,613 ratings

"paleontology"

4.16 avg rating — 3,214 ratings

"ornithology"

4.04 avg rating — 14,516 ratings

"ornithology"

3.81 avg rating — 14,453 ratings

3.98 avg rating — 466 ratings

3.54 avg rating — 691 ratings

3.87 avg rating — 112,065 ratings

"anthropology"

3.91 avg rating — 210,796 ratings

"anthropology"

3.73 avg rating — 49,265 ratings

"anthropology"

4.25 avg rating — 2,513 ratings

"anthropology"

3.83 avg rating — 5,563 ratings

"anthropology"

4.15 avg rating — 82,918 ratings

"paleontology, anthropology, meteorology, geology, oceanography, and ecology"

4.24 avg rating — 1,219 ratings

"archeology, anthropology, sociology, geology, paleontology"