Small but established populations are now present in many areas originally from farming stock.
Mandarin Duck
- Aix galericulata
UK, Austria, Germany, Switzerland, France, Netherlands
The UK has a significant established breeding population. Smaller populations occur in several other European countries.
Red Crested Pochard
- Netta rufina
UK, Netherlands
There is now an established population derived from collection escapes the numbers are small but increasing.
Muscovy Duck
- Cairina moschata
UK, Austria, Germany, Spain, Netherlands
Escaped from farm stock.
Ruddy Duck
- Oxyura jamaicensis
UK, France, Iceland
Originally escaped from collections, they are now widespread, although reduced in number due to the RSPB eradication policy. There are some safe havens from the guns so they will survive.
Canada Goose
- Branta canadensis
UK, Netherlands, Scandanavia
Introduced into the UK in the 1600's and were common in collections and have spread from there. They are now present throught the UK, Netherlands and in Scandanavia.
Greylag Goose
- Anser anser
Present in large numbers throught most of the UK (a natural population occurs in Scotland) derived from the Scottish stock.
UK
Egyptian Goose
- Alopochen aegyptiaca
UK, Belgium, Germany, Netherlands,
Snow Goose
- Anser caerulescens
UK
A population exists on the islands of Mull and Coll derived from a collection in the area, these have been present from their escape in the 1960's and number 60-70 birds.
Barnacle Goose
- Branta leucopsis
UK, Belgium, Finland, Germany, Netherlands, Norway, Sweden
These are well established in Suffolk, Herts/Bucks and Cumbria all derived from escaped birds and these birds usually have individials from other species which have escaped.
Bar headed Goose
- Anser indicus
UK, Netherlands, Finland, Germany, Italy, Ukraine
White Fronted Goose
- Anser albifrons
UK
A small population exists on Islay
Black Swan
- Cygnus atratus
UK, Netherlands, Poland, Spain, Germany, Italy
Escaped from collections there are good numbers and they have bred sporadically as the numbers are quite dispersed but the population is growing. The Netherlans holds the largest population.
Monk Parakeet
- Myiopsitta monachus
UK, Netherlands, Belgium, Italy, Germany, Spain, Portugal, Canary Islands
Populations ocur in many European cities London, Brussels
Ring Necked Parakeet
- Psittacula krameri
UK, Spain, Austria, Germany, Portugal, Spain, Belgium, Netherlands,
Common in many European cities easy to find due to their rather noisy calls, London, Brussels, Barcelona, Cologne, Ansterdam, Barcelona, Wiesbaden, Genoa to name a few cities.
Little Owl
- Athene noctua
UK
Birds were released in the early 1900's from a european population, they have become widespread and common in the England and Wales.
Eagle Owl
- Bubo bubo
UK
Approx. 50 pairs are now breeding in the UK mostly Scotland and the North of England. All are derived originally from escaped birds but wild bred birds are now in the population, which has been increasing for the last 10 years.
Feral Pigeon
- Columba livia
All of europe
Birds are descended from the Rock Dove, kept for food and laterly for racing/showing there is a large colour variation from the wild ancestor. There is a massive population in all urban areas with birds easy to find.
Feral Duck
- Anas platyrhynchus
All of europe
Common types are a white Aylesbury duck or peking ducks. Other types are mallard type birds like Rouen Clair, swedish or Rouen and other similar breeds, and loads of hybrids. All these are easily found on most bodies of water.
Feral Goose
- Columba livia
All of europe
Birds are descended from domesticated greylag stock and frequently interbreed, most are white, they are common and widespread, found with greylag flocks and in all urban areas with birds easy to find.
Green Pheasant
- Phasianus versicolor
UK, France
Increasing numbers are being released for shooting in Norfolk and Berkshire in particular, there have been small numbers of breeding.
Indian Peafowl
- Pavo cristatus
UK
Commonly kept in may collections, particularly in parks and stately homes where they are allowed to roam freely and therefore easily escape, they have nested in the wild, although in small numbers and their numbers are small.
Wood Duck
- Aix sponsa
UK
Small numbers are present and small colonies have existed but they seem to struggle in the UK and the population remains small and scattered.
UK,
Rosy-faced Lovebird
- Agapornis roseicollis
Breeding is confirmed in Scotland where there is a small population.
Blue-crowned Parakeet
- Aratinga acuticaudata
UK, Italy, Spain
Confirmed breeding in London where there is a small population. A breeding population is present in Genoa.
Alexandrine Parakeet
- Psittacula eupatria
UK, Germany, Netherlands
Small numbers are present in London. They are much more abundant in several cities in SW Germany and Amsterdam.
Hawaiian goose
- Branta sandvicensis
UK
Escaped from collections they can be encountered anywhere but are scarce, but have bred.
Swan Goose
- Anser cygnoides
UK, Germany
Escaped from farms it easily forms hybrids and these can be encountered anywhere, pure birds are scarce.
Hybrids can easily be found at Grafham water, Cambs UK.
Emperor Goose
- Anser canagicus
UK
A small population with occasional breeding exists in Cumbria.
Ruddy Shelduck
- Tadorna ferruginea
Netherlands, UK, Switzerland, Belgium, Ukraine, Czech Republic, France
Scattered individuals wander widely with occasional breeding in the UK. Wanderers from the established populations in Russia, Ukraine and Switzerland probably account for some of the small populations elsewhere. A very large population is present in Holland.
Lesser White Fronted Goose
- Anser erythropus
UK
Small numbers of escaped birds are widespread but have bred.
Ross's Goose
- Anser rossii
UK
Small numbers of escaped birds are widespread but have bred.
Magellan Goose
- Chloephaga picta
UK, Belgium
Small numbers of escaped birds are widespread but have bred, a small self sustaining population is present in Belgium.
Cinnamon Teal
- Anas cyanoptera
UK
Small numbers of escaped birds have bred particularly in the south.
Black Crowned Night Heron
- Nycticorax nycticorax
UK
Small numbers free flying birds from two major sites, Edinburgh Zoo and Great Witchingham Norfolk have bred, but measures to recapture these birds have been undertaken, and they are now scarce.
Silver Pheasant
- Lophura nycthemera
UK, Germany
Small numbers in Norfolk and Sussex, UK.
Iberian Azure Winged Magpie
- Cyanopica cyana
UK
Small numbers escaped from Paington zoo and can be found in its vicinity they do wander around that part of Devon.
Whooper Swan
- Cygnus cygnus
UK
A small feral population is present in the Bucks/Beds/Herts area.
Jungle Fowl
- Gallus gallus
All of europe
Very commonly kept and frequently escape and can easily be found almost anywhere.
Budgerigar
- Melopsittacus undulatus
Canary Islands, UK
The UK population has died out.
Northern Bobwhite
- Colinus virginianus
Italy, France
Numbers still present in Northern Italy and near Orleans in France.
Rock Partridge
- Alectoris graeca
UK
Released for hunting in small numbers this was stopped in 1992 and there have been no sightings for several years.
Chukar
- Alectoris chukar
UK, Italy, France
Released for hunting in reasonable numbers. Died out in UK.
Red Winged Laughing Thrush - Garrulax formosus
Isle of Man
A very small population is present, escaped from a wildlife park, it is thought to be breeding.
Rhea -
Rhea americana
Germany
A small population lives near Lubeck derived from escaped animals, the number is slowly increasing as they are on protected land.
Barbary Partridge -
Alectoris barbara
Sardinia, Gibraltar
Introduced to for sport.
Sacred Ibis -
Threskiornis aethiopicus
France, Italy
Established populations in North Italy and Brittany.
California Quail -
Callipepla californica
Corsica, Italy
Small colonies exist on Corsica and on mainland Italy introduced for hunting.
Daurian Partridge -
Perdix dauurica
Italy, Russia, Ukraine
Wild Turkey -
Meleagris gallopavo
Germany, Russia, Austria
Introduced for hunting.
Common Mynah -
Acridotheres tristis
Canary Islands, Russia, Portugal
Established on some of the Canary islands and a small population is present near Lisbon.
Common Waxbill -
Estrilda astrild
Portugal, Spain, Italy
Very widespread in Marshes they are doing very well and their range is increasing.
Red Avadavat -
Amandava amandava
Spain, Italy, Portugal
Becoming quite common but localised in marshes in Central Italy, Southern and Central Spain and Portugal.
House Crow -
Corvus splendens
Netherlands
A "natural" accidental introduction with ship assisted birds from SE Asia. The population is present in the port area of the Hook of Holland.
Erckel's Francolin -
Francolinus erckelii
Italy
Japanese Quail -
Coturnix japonica
Italy
Chilean flamingo -
Phoenicopterus chilensis
Netherlands / Germany
A small breeding population is present in on the German/Dutch border.
Carribean Flamingo -
Phoenicopterus ruber
Netherlands / Germany
A small breeding population is present in on the German/Dutch border.
Barbary Dove -
Streptopelia risoria
Balearics, Canary Islands
Small numbers are still present but interbreeding with collared doves is quickly reducing the population. Tenerife is the best site.
Red Masked Parakeet -
Aratinga erythrogenys
Spain
A small population is present in Valencia.
Nanday Parakeet -
Nandayus nenday
.Canary Islands
Present on Tenerife.
Mitred Parakeet -
Aratinga mitrata
Spain
A good population in Barcelona, along with many other parrot species.
Red whiskered Bulbul -
Pycnonotus jocosus
Spain
Red vented bulbul -
Pycnonotus cafer
Spain
Crested Myna -
Acridotheres cristatellus
Portugal
An established population in the Lisbon area.
Village weaver -
Ploceus cucullatus
Spain, Portugal, Italy
Increasing in the marshland areas of Spain and Portugal with samller populations in Italy.
Tree sparrow -
Passer montanus
Corsica, Canary Islands
Thought to have been introduced to Corsica and Gran Canaria.
Northern Red Bishop -
Euplectes franciscanus
Spain, Portugal
Yellow Crowned Bishop -
Euplectes afer
Spain, Portugal
Orange cheeked waxbill -
Estrilda melpoda
Spain
Black rumped waxbill -
Estrilda troglodytes
Spain, Portugal, Canary Islands
Indian Silverbill -
Lonchura malabarica
France
Well established in Nice and the surronding area, Botanical gardens, the costal marshes are good sites.
Black Headed Munia -
Lonchura atricapilla
Spain, Portugal
Small populations present near Lisbon.
Ashy Throated Parrotbill -
Paradoxornis alphonsianus
Italy
Present in Northern Italy in several marshes and its range is slowly spreading.
Fischer’s Lovebird -
Agapornis fischeri
France
Good numbers are present in the Saint Jean Cap Ferrat peninsular near Nice they are mixed with Masked Lovebirds in large colonies.
Masked Lovebird -
Agapornis personata
France
Good numbers are present in the Saint Jean Cap Ferrat peninsular near Nice they are mixed with Fisher's Lovebirds in large colonies. The blue form (a cage bird bred form) is also present.
Red Billed Leiothrix
- Leiothrix lutea
France, Spain, Italy and Portugal
Small populations derived from these popular cage birds are present near Paris, Pau, Lucca and Lisbon, they are quite easy to find with their distinctive call.
Hooded Merganser
- Lophodytes cucullatus
Netherlands
A small breeding population is present in the Netherlands.
Yellow headed Amazon
- Amazona oratrix
Germany
Established in Stuttgart.