List of animals by number of neurons
Cerebral cortex
Non-mammals are included in this list because, although only mammals have a cerebral cortex, the pallium of reptiles and birds is functionally similar to the mammalian cortex and is therefore also frequently referred to as "cortex".

List of animals by number of neurons

Section Title: Cerebral cortex
Table Section Text: Non-mammals are included in this list because, although only mammals have a cerebral cortex, the pallium of reptiles and birds is functionally similar to the mammalian cortex and is therefore also frequently referred to as "cortex".

Name	Neurons in the cerebral cortex	Details	Image	Source

Naked mole-rat	6,150,000	H. glaber	-

Ansell's mole-rat	10,000,000	Fukomys anselli

Smoky shrew	10,000,000	Sorex fumeus	-

Mashona mole-rat	12,000,000	Fukomys darlingi

Northern short-tailed shrew	12,000,000	Blarina brevicauda	-

House mouse	14,000,000	Mus musculus	-

Hairy-tailed mole	16,000,000	Parascalops breweri	-

Star-nosed mole	17,000,000	Condylura cristata	-

Golden hamster	17,000,000	Mesocricetus auratus	-

Damaraland mole-rat	21,000,000	Fukomys damarensis

Hottentot golden mole	22,000,000	Amblysomus hottentotus

Gray mouse lemur	22,310,000	Microcebus murinus	Gray Mouse Lemur 1 edit.JPG

Mechow's mole-rat	23,000,000	Fukomys mechowii

Hedgehog	24,000,000	Subfamily Erinaceinae, unknown genus and species	-

Silvery mole-rat	25,000,000	heliophobius argenteocinereus

Cape mole-rat	26,000,000	Georychus capensis

Guyenne spiny rat	26,000,000	Proechimys cayennensis

Eastern rock elephant shrew	26,000,000	Elephantulus myurus

Eastern mole	27,000,000	Scalopus aquaticus

Opossum	27,000,000	Didelphis virginiana	-

Brown Rat	31,000,000	Rattus norvegicus	-

Four-toed elephant shrew	34,000,000	Petrodromus tetradactylus	Petrodromus tetradactylus tordayi - Royal Museum for Central Africa - DSC06793.JPG

Ferret	39,000,000	Mustela putorius furo	-

Cape dune mole-rat	43,000,000	Bathyergus suillus

Guinea pig	43,510,000	Cavia porcellus	-

Eurasian blackcap	52,000,000	Sylvia atricapilla	-

Prairie dog	53,770,000	Cynomys sp.	Prairie Dog Washington Zoo.JPG

Zebra finch	55,000,000	Taeniopygia guttata	-

Common treeshrew	60,000,000	Tupaia glis	-

Red junglefowl	61,000,000	Gallus gallus	-

Goldcrest	64,000,000	Regulus regulus	-

European rabbit	71,450,000	O. cuniculus	-

Rock dove	72,000,000	Columba livia	-

Eastern gray squirrel	77,330,000	S. carolinensis	-

Great tit	83,000,000	Parus major	-

Western tree hyrax	99,000,000	Dendrohyrax dorsalis	Beecroft'sTreeHyrax.JPG

Green-rumped parrotlet	103,000,000	Forpus passerinus	-

Black-rumped agouti	113,000,000	Dasyprocta prymnolopha	-

Banded mongoose	116,000,000	Mungos mungo	-

Common blackbird	136,000,000	Turdus merula	-

Budgerigar	149,000,000	Melopsittacus undulatus	-

Rock hyrax	198,000,000	Procavia capensis	-

Northern greater galago	226,000,000	Otolemur garnettii	-

Common starling	226,000,000	Sturnus vulgaris	-

Common marmoset	245,000,000	Callithrix jacchus	-

Cat	250,000,000	Felis catus or Felis silvestris catus	-

Brown bear	251,000,000	Ursus arctos	-

Cockatiel	258,000,000	Nymphicus hollandicus	-

Capybara	306,500,000	Hydrochoerus hydrochaeris	-

Tarsius	310,000,000	Genus Tarsius, unknown species	Tarsius tarsier Tandurusa zoo.JPG

Eastern rosella	333,000,000	Platycercus eximius	-

Goeldi's marmoset	357,130,000	Callimico goeldii	-

Monk parakeet	396,000,000	Myiopsitta monachus	Myiopsitta monachus monachus 3.JPG

Springbok	396,900,000	Antidorcas marsupialis	Springbok.JPG

Azure-winged magpie	400,000,000	Cyanopica cyanus	-

Common hill myna	410,000,000	Gracula religiosa	Gracula religiosa robusta-01.JPG

Domesticated pig	425,000,000	Sus scrofa	-

Barn owl	437,000,000	Tyto alba	-

Emu	439,000,000	Dromaius novaehollandiae	-

Three-striped night monkey	442,000,000	Aotus trivirgatus	-

Eurasian magpie	443,000,000	Pica pica	-

Raccoon	453,000,000	Procyon lotor	-

Western jackdaw	492,000,000	Coloeus monedula	-

Striped hyena	495,000,000	Hyaena hyaena	-

Eurasian jay	529,000,000	Garrulus glandarius	-

Dog	530,000,000	Canis lupus familiaris	-

Lion	545,000,000	Panthera leo	-

Blesbok	570,670,000	Damaliscus pygargus phillipsi	-

Alexandrine parakeet	575,000,000	Psittacula eupatria	-

Tanimbar corella	599,000,000	Cacatua goffiniana	-

Gracile capuchin monkey	650,000,000	Genus Cebus, unknown species	-

Greater kudu	762,570,000	Tragelaphus strepsiceros	-

Crab-eating macaque	800,960,000	Macaca fascicularis	-

Rook	820,000,000	Corvus frugilegus	-

Grey parrot	850,000,000	Psittacus erithacus	-

Tufted capuchin	1,100,000,000	Sapajus apella	-

Sulphur-crested cockatoo	1,135,000,000	Cacatua galerita	-

Horse	1,200,000,000	Equus ferus caballus	-

Raven	1,200,000,000	Corvus corax	Corvus corax jouveniles.jpeg

Kea	1,281,000,000	Nestor notabilis	-

Common squirrel monkey	1,340,000,000	Saimiri sciureus	-

Bonnet macaque	1,660,000,000	Macaca radiata	-

Rhesus macaque	1,710,000,000	Macaca mulatta	-

Giraffe	1,730,000,000	Giraffa camelopardalis	-

Blue and yellow macaw	1,900,000,000	Ara ararauna	-

Guenon	2,500,000,000	Genus Cercopithecus, unknown species	-

Yellow baboon	2,880,000,000	Papio cynocephalus	-

African elephant	5,600,000,000	Loxodonta africana	Elephant in Botswana.JPG

Harp seal	6,100,000,000	Pagophilus groenlandicus	-

Chimpanzee	6,200,000,000	Pan troglodytes	-

Orangutan	8,900,000,000	Genus Pongo, unknown species	Orang Utan, Semenggok Forest Reserve, Sarawak, Borneo, Malaysia.JPG

Gorilla	9,100,000,000	Gorilla gorilla	-

False killer whale	10,500,000,000	Pseudorca crassidens	-

Common minke whale	12,800,000,000	Balaenoptera acutorostrata	-

Harbor porpoise	14,900,000,000	Phocoena phocoena	-

Fin whale	15,000,000,000	Balaenoptera physalus	-

Human	16,000,000,000	Homo sapiens: (For average adult) "The human cerebral cortex, with an average 1233 g and 16 billion neurons, is slightly below expectations for a primate brain of 1.5 kg, while the human cerebellum, at 154 g and 69 billion neurons, matches or even slightly exceeds the expected"	Akha cropped hires.JPG

Long-finned pilot whale	37,200,000,000	Globicephala melas: "For the first time, we show that a species of dolphin has more neocortical neurons than any mammal studied to date including humans."	-

Sentence(s)

The long-finned pilot whale has more neocortical neurons than any mammal studied to date, including humans.

final_sentence: The long-finned pilot whale has more neocortical neurons than any mammal studied to date, including humans.