Mammals of Guam
3 species of mammals on file have openly licensed sighting records from Guam, 1 of them threatened.
Which mammals are recorded in Guam?
Most looked-up first.

Grey wolf
Canis lupus

Blue whale
Balaenoptera musculus

Common bottlenose dolphin
Tursiops truncatus
Full list
| Common name | Scientific name | Family | Status | Records here |
|---|---|---|---|---|
| Grey wolf | Canis lupus | Canidae | Least Concern | 22 |
| Blue whale | Balaenoptera musculus | Balaenopteridae | Endangered | 1 |
| Common bottlenose dolphin | Tursiops truncatus | Delphinidae | Least Concern | 9 |
Counted from CC0 and CC BY occurrence records on GBIF, which include captive and introduced animals. See the methodology.