Applied and Social Sciences magazines
- Rail, Lord Howe Wood
- Rat, Giant Kangaroo
- Rat, Silver Rice
- Rhinoceros, Black
- Rhinoceros, Northern White
- Rhododendron, Chapman's
- Robin, Chatham Islands
- Rosewood, Brazilian
- Salamander, Chinese Giant
- Salamander, Santa Cruz Long-toed
- Salamander, Texas Blind
- Salmon, Danube
- Sawfish, Freshwater
- Sculpin, Pygmy
- Sea Lion, Steller's
- Seal, Guadalupe Fur
- Seal, Hawaiian Monk
- Shad, Alabama
- Shark, Borneo
- Shrimp, California Freshwater