About
Earthy
nature of Britain
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Species
Groups
By month
Families
Counties
Designations
Most recorded
Earthy
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Species
Groups
By month
Families
Counties
Designations
Most recorded
Year described
Earthy
Field notes
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Groups
Mammals
Mammals
86
species
European polecat
Peak month
September
Records since 2000
1,183
Scientific name
Mustela putorius
Chinese Water Deer
Peak month
April
Records since 2000
941
Scientific name
Hydropotes inermis
Serotine Bat
Peak month
August
Records since 2000
884
Scientific name
Eptesicus serotinus
Common Whiskered Bat
Peak month
June
Records since 2000
798
Scientific name
Myotis mystacinus
White-beaked dolphin
Peak month
July
Records since 2000
769
Scientific name
Lagenorhynchus albirostris
Nathusius's Bat
Peak month
September
Records since 2000
662
Scientific name
Pipistrellus nathusii
Orca
Peak month
May
Records since 2000
647
Scientific name
Orcinus orca
House mouse
Peak month
October
Records since 2000
585
Scientific name
Mus musculus
Risso's dolphin
Peak month
August
Records since 2000
581
Scientific name
Grampus griseus
Domestic goat
Peak month
March
Records since 2000
508
Scientific name
Capra hircus
Eurasian water shrew
Peak month
August
Records since 2000
478
Scientific name
Neomys fodiens
Wild boar
Peak month
April
Records since 2000
416
Scientific name
Sus scrofa
Brandt's Bat
Peak month
June
Records since 2000
381
Scientific name
Myotis brandtii
Domestic Cattle
Peak month
October
Records since 2000
357
Scientific name
Bos taurus
Wild Cat
Peak month
January
Records since 2000
316
Scientific name
Felis silvestris
Humpback Whale
Peak month
October
Records since 2000
282
Scientific name
Megaptera novaeangliae
Domestic Sheep
Peak month
April
Records since 2000
265
Scientific name
Ovis aries
Bechstein's Bat
Peak month
January
Records since 2000
257
Scientific name
Myotis bechsteinii
Long-finned pilot whale
Peak month
October
Records since 2000
234
Scientific name
Globicephala melas
Yellow-necked mouse
Peak month
July
Records since 2000
232
Scientific name
Apodemus flavicollis
White-Sided Dolphin
Peak month
July
Records since 2000
208
Scientific name
Lagenorhynchus acutus
Sperm Whale
Peak month
October
Records since 2000
180
Scientific name
Physeter macrocephalus
Striped Dolphin
Peak month
October
Records since 2000
162
Scientific name
Stenella coeruleoalba
Fin Whale
Peak month
October
Records since 2000
142
Scientific name
Balaenoptera physalus
Domestic Horse
Peak month
August
Records since 2000
106
Scientific name
Equus caballus
Rough-toothed dolphin
Peak month
October
Records since 2000
100
Scientific name
Steno bredanensis
Cuvier's beaked whale
Peak month
October
Records since 2000
98
Scientific name
Ziphius cavirostris
Sei Whale
Peak month
October
Records since 2000
90
Scientific name
Balaenoptera borealis
Long-beaked Dolphin
Peak month
October
Records since 2000
76
Scientific name
Stenella longirostris
Killer Whale
Peak month
November
Records since 2000
75
Scientific name
Pseudorca crassidens
Afro-Australian Fur Seal
Peak month
October
Records since 2000
74
Scientific name
Arctocephalus pusillus
Atlantic Spinner Dolphin
Peak month
October
Records since 2000
74
Scientific name
Stenella clymene
Atlantic spotted dolphin
Peak month
October
Records since 2000
74
Scientific name
Stenella frontalis
Blackchin Dolphin
Peak month
October
Records since 2000
74
Scientific name
Lagenorhynchus australis
Blackfish
Peak month
October
Records since 2000
74
Scientific name
Globicephala macrorhynchus
Bryde’s whale
Peak month
October
Records since 2000
74
Scientific name
Balaenoptera edeni
Greater Mouse-Eared Bat
Peak month
January
Records since 2000
58
Scientific name
Myotis myotis
Grey Long-Eared Bat
Peak month
June
Records since 2000
53
Scientific name
Plecotus austriacus
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