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Bioculture

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Neozoa

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Neozoa (invasive species) are animal species that move into new areas through human activities and establish themselves there. This can happen in a variety of ways, such as the exotic pet trade, the release of animals from captivity, or the unwanted introduction of species via ships or other means of transport. Neozoa can include both terrestrial and aquatic species.

The introduction of neozoa into new ecosystems can have far-reaching ecological and cultural consequences. On the one hand, they can threaten native species, either through direct competition for resources or through the transmission of diseases. On the other hand, they can also change human perceptions of nature and wildlife by introducing new species into landscapes that did not previously exist.

The management of invasive species therefore requires careful monitoring and management measures to minimize their impact on biodiversity and human health. This may include controlling invasive species, restoring habitats and raising public awareness of the risks and consequences of introducing neozoa.

Overall, neozoa illustrate the complex interactions between human activities, biological diversity, and cultural practices. Their occurrence and spread are closely linked to global trade and transport flows and underline the importance of an integrated and coordinated approach to the protection and conservation of ecosystems worldwide.

This list shows species ordered by the proportion of observations marked as "introduced". The data is based on observations from iNaturalist users and therefore may contain inaccurate information.

The percentage value shown implies how many observations were made outside the original distribution area.

Thumbnail picture showing Dama dama

European fallow deer
Dama dama

62 observations in the last 30 days

100% introduced
Thumbnail picture showing Bos taurus

Cattle
Bos taurus

82 observations in the last 30 days

100% introduced
Thumbnail picture showing Felis catus

Domestic cat
Felis catus

1,152 observations in the last 30 days

100% introduced
Thumbnail picture showing Equus ferus caballus

Domestic horse
Equus ferus caballus

124 observations in the last 30 days

100% introduced
Thumbnail picture showing Anolis sagrei

Brown anole
Anolis sagrei

1,311 observations in the last 30 days

99.67% introduced
Thumbnail picture showing Lissachatina fulica

Giant African land snail
Lissachatina fulica

222 observations in the last 30 days

99.24% introduced
Thumbnail picture showing Mus musculus

House mouse
Mus musculus

66 observations in the last 30 days

98.87% introduced
Thumbnail picture showing Harmonia axyridis

Asian ladybeetle
Harmonia axyridis

3,321 observations in the last 30 days

97.82% introduced
Thumbnail picture showing Ovis aries

Domestic sheep
Ovis aries

84 observations in the last 30 days

97.13% introduced
Thumbnail picture showing Cydalima perspectalis

Box tree moth
Cydalima perspectalis

308 observations in the last 30 days

96.63% introduced
Thumbnail picture showing Myocastor coypus

Nutria
Myocastor coypus

312 observations in the last 30 days

94.67% introduced
Thumbnail picture showing Canis lupus familiaris

Domestic dog
Canis lupus familiaris

325 observations in the last 30 days

92.92% introduced
Thumbnail picture showing Halyomorpha halys

Brown marmorated stink bug
Halyomorpha halys

839 observations in the last 30 days

90.18% introduced
Thumbnail picture showing Lama glama

Llama
Lama glama

Seven observations in the last 30 days

87.27% introduced
Thumbnail picture showing Capra hircus

Domestic goat
Capra hircus

127 observations in the last 30 days

86.4% introduced
Thumbnail picture showing Apis mellifera

European honey bee
Apis mellifera

3,789 observations in the last 30 days

84.3% introduced
Thumbnail picture showing Lumbricus terrestris

Common earthworm
Lumbricus terrestris

132 observations in the last 30 days

75% introduced
Thumbnail picture showing Pavo cristatus

Indian peafowl
Pavo cristatus

299 observations in the last 30 days

72.22% introduced
Thumbnail picture showing Polistes dominula

European paper wasp
Polistes dominula

159 observations in the last 30 days

71.07% introduced
Thumbnail picture showing Cavia porcellus

Domestic guinea pig
Cavia porcellus

Five observations in the last 30 days

65.22% introduced
Thumbnail picture showing Armadillidium vulgare

Common pill woodlouse
Armadillidium vulgare

1,142 observations in the last 30 days

62.82% introduced
Thumbnail picture showing Arion species

Arion
Arion species

187 observations in the last 30 days

61.44% introduced
Thumbnail picture showing Cornu aspersum

Garden snail
Cornu aspersum

1,571 observations in the last 30 days

60.19% introduced
Thumbnail picture showing Clogmia albipunctata

Bathroom moth midge
Clogmia albipunctata

124 observations in the last 30 days

54.68% introduced
Thumbnail picture showing Streptopelia decaocto

Eurasian collared dove
Streptopelia decaocto

1,469 observations in the last 30 days

54.2% introduced
Thumbnail picture showing Araneus diadematus

European garden spider
Araneus diadematus

95 observations in the last 30 days

53.47% introduced
Thumbnail picture showing Tegenaria domestica

Domestic house spider
Tegenaria domestica

54 observations in the last 30 days

49.7% introduced
Thumbnail picture showing Phelsuma grandis

Madagascar giant day gecko
Phelsuma grandis

13 observations in the last 30 days

47.01% introduced
Thumbnail picture showing Lucilia sericata

Common green bottle fly
Lucilia sericata

32 observations in the last 30 days

46.1% introduced
Thumbnail picture showing Musca domestica

Housefly
Musca domestica

41 observations in the last 30 days

45.64% introduced
Thumbnail picture showing Eublepharis macularius

Common leopard gecko
Eublepharis macularius

Four observations in the last 30 days

41.38% introduced
Thumbnail picture showing Limax maximus

Leopard slug
Limax maximus

484 observations in the last 30 days

40.13% introduced
Thumbnail picture showing Coccinella septempunctata

Seven-spot ladybird
Coccinella septempunctata

3,875 observations in the last 30 days

37.33% introduced
Thumbnail picture showing Ocypus olens

Devil's coach-horse beetle
Ocypus olens

30 observations in the last 30 days

36.72% introduced
Thumbnail picture showing Euproctis chrysorrhoea

Brown-tail moth
Euproctis chrysorrhoea

36 observations in the last 30 days

31.43% introduced
Thumbnail picture showing Philoscia muscorum

Common striped woodlouse
Philoscia muscorum

405 observations in the last 30 days

28.01% introduced
Thumbnail picture showing Vespa crabro

European hornet
Vespa crabro

255 observations in the last 30 days

27.64% introduced
Thumbnail picture showing Camelus dromedarius

Dromedary
Camelus dromedarius

13 observations in the last 30 days

24.19% introduced
Thumbnail picture showing Cygnus olor

Mute swan
Cygnus olor

1,562 observations in the last 30 days

23.51% introduced
Thumbnail picture showing Gryllus assimilis

Jamaican field cricket
Gryllus assimilis

Four observations in the last 30 days

20.69% introduced
Thumbnail picture showing Vespula vulgaris

Common wasp
Vespula vulgaris

256 observations in the last 30 days

18.28% introduced
Thumbnail picture showing Tenebrio molitor

Yellow mealworm beetle
Tenebrio molitor

Six observations in the last 30 days

16.35% introduced
Thumbnail picture showing Xysticus cristatus

Common crab spider
Xysticus cristatus

35 observations in the last 30 days

15.11% introduced
Thumbnail picture showing Danaus plexippus

Monarch butterfly
Danaus plexippus

1,475 observations in the last 30 days

14.54% introduced
Thumbnail picture showing Branta canadensis

Canada goose
Branta canadensis

3,881 observations in the last 30 days

9.89% introduced
Thumbnail picture showing Bombus terrestris

Buff-tailed bumblebee
Bombus terrestris

529 observations in the last 30 days

9.86% introduced
Thumbnail picture showing Anas platyrhynchos

Mallard
Anas platyrhynchos

4,932 observations in the last 30 days

8.41% introduced
Thumbnail picture showing Tipula species

Crane fly
Tipula species

182 observations in the last 30 days

4.65% introduced
Thumbnail picture showing Pyrrhocoris apterus

Firebug
Pyrrhocoris apterus

1,789 observations in the last 30 days

3.93% introduced
Thumbnail picture showing Stegobium paniceum

Drugstore beetle
Stegobium paniceum

Nine observations in the last 30 days

2.78% introduced
Thumbnail picture showing Helix pomatia

Roman snail
Helix pomatia

1,247 observations in the last 30 days

2.5% introduced
Thumbnail picture showing Vicugna pacos

Alpaca
Vicugna pacos

Five observations in the last 30 days

1.92% introduced
Thumbnail picture showing Adalia bipunctata

Two-spot ladybird
Adalia bipunctata

451 observations in the last 30 days

1.75% introduced
Thumbnail picture showing Pelophylax saharicus

Sahara frog
Pelophylax saharicus

19 observations in the last 30 days

1.71% introduced
Thumbnail picture showing Gryllus bimaculatus

Two-spotted cricket
Gryllus bimaculatus

54 observations in the last 30 days

1.19% introduced
Thumbnail picture showing Eratigena atrica

Great house spider
Eratigena atrica

82 observations in the last 30 days

0.51% introduced
Thumbnail picture showing Pantherophis guttatus

Corn snake
Pantherophis guttatus

132 observations in the last 30 days

0.44% introduced
Thumbnail picture showing Corvus frugilegus

Rook
Corvus frugilegus

704 observations in the last 30 days

0.12% introduced

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