Mammals of Hawaii
The mammals most often spotted in Hawaii, ranked by recent research-grade observations.
Most-observed mammals in Hawaii
Hawaiian Monk Seal
Neomonachus schauinslandi
2,948 observations · iNaturalist
Small Indian Mongoose
Urva auropunctata
2,783 observations · iNaturalist
Humpback Whale
Megaptera novaeangliae
1,458 observations
Domestic Cat
Felis catus
1,011 observations
Spinner Dolphin
Stenella longirostris
962 observations
Domestic Goat
Capra hircus
766 observations · iNaturalist
Wild Boar
Sus scrofa
652 observations · iNaturalist
Domestic Sheep
Ovis aries
163 observations · iNaturalist
Short-finned Pilot Whale
Globicephala macrorhynchus
138 observations
Chital
Axis axis
105 observations · iNaturalist
Common Bottlenose Dolphin
Tursiops truncatus
104 observations
House Mouse
Mus musculus
95 observations
Black Rat
Rattus rattus
87 observations
Pantropical Spotted Dolphin
Stenella attenuata
67 observations
Hawaiian Hoary Bat
Lasiurus semotus
59 observations · iNaturalist
Domestic Horse
Equus caballus
43 observations · iNaturalist
Domestic Cattle
Bos taurus
42 observations · iNaturalist
Rough-toothed Dolphin
Steno bredanensis
28 observations · iNaturalist
Dense-beaked Whale
Mesoplodon densirostris
19 observations
Mule Deer
Odocoileus hemionus
18 observations
European Rabbit
Oryctolagus cuniculus
15 observations · iNaturalist
False Killer Whale
Pseudorca crassidens
14 observations
Domestic Dog
Canis familiaris
13 observations · iNaturalist
Pygmy Killer Whale
Feresa attenuata
12 observations
Cuvier's Beaked Whale
Ziphius cavirostris
11 observations
Polynesian Rat
Rattus exulans
10 observations · iNaturalist
Brown Rat
Rattus norvegicus
8 observations
Melon-headed Whale
Peponocephala electra
5 observations
Sperm Whale
Physeter macrocephalus
5 observations
Donkey
Equus asinus
4 observations · iNaturalist
Fraser's Dolphin
Lagenodelphis hosei
3 observations
Dwarf Sperm Whale
Kogia sima
1 observation
Orca
Orcinus orca
1 observation
Mule
Equus asinus × caballus
1 observation · iNaturalist