Birds
Europe
http://www.ebcc.info/what.html
European Bird Census Council
Birds
Europe
http://www.springalive.net/
BirdLife & Royal Society for the Protection of Birds
Butterflies and moths
Europe
http://www.bc-europe.org/category.asp?catid=9
Butterfly Conservation Europe
Other invertebrates (snail evolution)
Europe
http://www.evolutionmegalab.org/
European scientific consortium
Marine species (jellyfish)
Mediterranean
http://www.ciesm.org/marine/programs/jellywatch.htm
Mediterranean Science Commission
Flora and Fauna
Austria
http://www.naturbeobachtung.at
Naturschutzbund Österreich
Amphibians and Reptiles
Austria
http://www.herpetofauna.at/
Österreichische Gesellschaft fűr Herpetologie
Birds
Austria
http://www.stunde-der-wintervoegel.at/
BirdLife Austria
Invasive Alien Species
Belgium
http://waarnemingen.be/invasive_alert_view.php
Regional Governments
Flora, Fauna and Fungi
Czech Republic
http://www.biolib.cz/en/main/
Amateurs
Birds
Czech Republic
http://www.birds.cz/avif/obs.php
Czech Ornithological Society
Flora
Czech Republic
http://botany.cz/en/
The Natural Science Society
Butterflies
Czech Republic
http://www.lepidoptera.cz
Czech Butterfly Conservation Society
Birds
Denmark
http://www.dofbasen.dk/observationer/index.php?english=yes
Danish Ornithological Society/BirdLife Denmark
Flora and Fauna
Denmark
http://www.fugleognatur.dk/
Aarhus Natural History Museum
Invasive Alien Species
Denmark
http://www.naturstyrelsen.dk/Naturbeskyttelse/invasivearter/Indberetning/
Danish Nature Agency
Fungi
Denmark
http://www.svampeatlas.dk
University of Copenhagen
Flora and Fauna
Estonia
http://loodus.keskkonnainfo.ee/lva/LVA.aspx?lang=eng
Estonian Naturalists Society
Flora, Fauna and Fungi
Estonia
http://elurikkus.ut.ee/index.php?lang=eng
Baltic Diversity and others
Flora and Fauna
Finland
http://www.environment.fi/default.asp?contentid=142416&lan=en
Finnish Environment Institute
Butterflies
Finland
http://www.environment.fi/default.asp?contentid=373037&lan=EN
Finnish Environment Institute
Flora and Fauna
Finland
http://www.kevatseuranta.fi/
Nature League (NGO)
Marine species (mammals: harbour porpoise)
Finland
http://www.itameriportaali.fi/fi/pyoriainen/fi_FI/havainnot/
Finnish Ministry of the Environment and others
Phenology
Finland
http://www.luomus.fi/seurannat/fenologia/
Finnish Museum of Natural History
Birds (wintering )
Finland
http://www.luomus.fi/seurannat/talvilintulaskennat/index.htm
Finnish Museum of Natural History
Birds (nest record scheme)
Finland
http://www.luomus.fi/seurannat/pesakortit/index.htm
Finnish Museum of Natural History
Birds and mammals (winter feeding site counts )
Finland
http://www.luomus.fi/seurannat/ruokintapaikkaseuranta/index.htm
Finnish Museum of Natural History
Birds (breeding land bird point counts)
Finland
http://www.luomus.fi/seurannat/pistelaskenta/index.htm
Finnish Museum of Natural History
Birds (census of breeding waterfowl)
Finland
http://www.luomus.fi/seurannat/vesilinnut/index.htm
Finnish Museum of Natural History
Birds (archipelago census)
Finland
http://www.luomus.fi/seurannat/saaristolaskenta/index.htm
Finnish Museum of Natural History
Amphibians and Reptiles
Finland
http://www.luomus.fi/seurannat/herp/index.htm
Finnish Museum of Natural History
Insects (general)
Finland
http://www.luomus.fi/seurannat/hyonteiskartoitus81/index.htm
Finnish Museum of Natural History
Butterflies
Finland
http://www.luomus.fi/nafi/
Finnish Museum of Natural History
Marine species (mammals: seals)
Finland
http://www.rktl.fi/riista/hylkeet/hyljehavainnot/
Finnish Game and Fisheries Research Institute
Invasive Alien Species (Baltic Sea)
Finland
http://www.riistakala.info/vieraslajit/index.php
Finnish Game and Fisheries Research Institute
Fish
Finland
http://www.rktl.fi/kala/kalavarat/kalamerkinta/palauta_kalamerkit/
Finnish Game and Fisheries Research Institute
Flora and Fauna
France
http://www.vigienature.mnhn.fr/
National Museum of Natural History
Invasive Alien Species (Asian hornet)
France
http://inpn.mnhn.fr/espece/signalement/vespa
National Museum of Natural History
Birds
France
http://www.ornitho.fr/
League for the protection of birds (LPO)
Flora
France
http://www.tela-botanica.org/site:accueil?langue=en
Tela Botanica-The French Botany network
Phenology
France
http://www.obs-saisons.fr/about
Tela Botanica (Observatory of seasons)
Flora
France
http://sauvagesdemarue.mnhn.fr/sauvages-de-ma-rue/presentation
Tela Botanica + National Museum of Natural History
Several monitoring schemes
France
http://www.jagispourlanature.org/recherche_action
Fondation Nicolas Hulot+Pas de Loup
Birds
Germany
http://www.bfn.de/0304_vogelmonitoring-pdm.html
German Association of Ornithologists (DDA)
Birds (common cuckoo)
Germany
http://www.nabu.de/aktionenundprojekte/vogeldesjahres/2008-kuckuck/07699.html
Nature and Biodiversity Conservation Union (NABU)+German Association of Ornithologists (DDA)
Birds (garden)
Germany
http://www.nabu.de/aktionenundprojekte/stundedergartenvoegel/index.html
Nature and Biodiversity Conservation Union (NABU)
Butterflies
Germany
http://www.tagfalter-monitoring.de/
Helmholtz Centre of Environmental Research + Butterfly Conservation Europe
Invasive Alien Species (common ragweed)
Germany
http://www.ambrosiainfo.de/kontakt.html
Project Group Biodiversity and Landscape Ecology
Game species
Germany
http://www.jagdnetz.de/wild
German Hunting Association (DJV)
Flora
Germany
www.floraweb.de
German Phytodiversity Network (NetPhyD)
Invasive Alien Species
Germany
http://neobiota.naturschutzinformationen-nrw.de/site/
North Rhine-Westphalian State Agency for Nature
Flora, Fauna and Fungi
Germany
https://www.bolgermany.de/node/192
German Barcode of Life (Federal Ministry of Education and Research)
Flora and Fauna
Germany
http://naturgucker.de/natur.dll/EXEC
Nature observation database for the Wadden Sea
Marine species
Greece
http://www.comber.hcmr.gr
Citizens’ network for the Observation of Marine BiodivERsity
Flora and Fauna
Hungary
https://regiszter.nekifut.hu/en/ki/730
Hungarian Biodiversity Monitoring System
Birds
Iceland
http://fuglavernd.is/index.php/eng
BidLife Iceland
Butterflies
Ireland
http://butterflies.biodiversityireland.ie/
National Biodiversity Data Centre
Other insects (pollinators)
Ireland
http://pollinators.biodiversityireland.ie/
National Biodiversity Data Centre
Invasive Alien Species
Ireland
http://invasives.biodiversityireland.ie/spot-the-alien/
National Biodiversity Data Centre
Mammals (bats)
Ireland
http://www.batconservationireland.org/php/monitoring.php
Bat Conservation Ireland
Amphibians (smooth newt)
Ireland
http://iwt.ie/what-we-do/newt-survey/
Irish Wildlife Trust
Amphibians (common frog)
Ireland
http://www.ipcc.ie/help-ipcc/hop-to-it-national-frog-survey-irelandcard/
Irish Peatlands Conservation Council
Marine species (mammals: whales and dolphins)
Ireland
http://www.iwdg.ie/index.php?option=com_k2&view=item&id=2104
Irish Whale and Dolphin Group
Birds
Ireland
http://www.birdwatchireland.ie/Ourwork/Volunteersurveys/tabid/1217/Default.aspx
BirdWatch Ireland
Birds (Raptors and cranes)
Ireland
http://www.goldeneagle.ie/portal.php?z=129
The Golden Eagle Trust
Flora and Fauna
Ireland
http://www.biology.ie/about.php
Biology.ie
Flora and Fauna
Ireland
http://ispynature.com/
iSpy Nature + National Parks and Wildlife Service
Invasive Alien Species
Ireland
http://invasivespeciesireland.com/alien-watch/
Northern Ireland Environment Agency + National Parks and Wildlife Service
Flora and Fauna
Luxembourg
http://data.mnhn.lu/en/node/438
Natural History Museum
Flora, Fauna and Fungi
Luxembourg
http://www.snl.lu/cgi-bin/baseportal.pl?htx=/english
Luxembourg Naturalist Society
Marine species (jellyfish)
Malta
https://www.um.edu.mt/news_on_campus/researchinitiatives/archive/spotthejellyfish2011
University of Malta
Marine species
Malta
http://www.bicref.org/default.asp?pg=239
Biological Conservation Research Foundation (BICREF)
Flora
The Netherlands
http://www.floron.nl
FLORON Foundation
Butterflies
The Netherlands
http://www.vlinderstichting.nl/vlinders.php?id=91
Dutch Butterfly Conservation (Vlinderstichting)
Flora and Fauna
The Netherlands
http://www.waarneming.nl
Foundation Natuurinformatie
Flora and Fauna
The Netherlands
http://www.telmee.nl/index.php?c=portal&m=home
Telmee
Flora and Fauna
Norway
http://www.biodiversity.no
Norwegian Biodiversity Information Centre
Invasive Alien Species
Poland
http://www.iop.krakow.pl/gatunkiobce/default.asp
Institute of Nature Conservation of Polish Academy of Science
Birds
Poland
http://www.awibaza.pl
Polish Society for the Protection of Birds
Birds
Poland
http://www.komisjafaunistyczna.pl/kf-en/index_en.html
Polish Avifaunistic Commission
Invasive Alien Species (red-eared slider)
Poland
http://www.salamandra.org.pl/obcezgloszenie.html
Polish Society of Nature Protection Salamandra
Mammals (wolf and lynx)
Poland
http://www.polishwolf.org.pl/large-predators
Association for Nature "WOLF"
Mammals
Poland
http://www.iop.krakow.pl/ssaki/
Institute of Nature Conservation of the Polish Academy of Science
Flora, Fauna and Fungi
Portugal
http://www.biodiversity4all.org/index.cfm?p=48F2A1D1-1DE0-5C8B-DF96BC3E0D8D1520
BioDiversity4all
Flora and Fauna
Slovenia
http://www.mojpopek.org/
Institute for Research and Development of Tourism, Ecology and Agriculture
Marine species (jellyfish)
Spain
http://www.lifecubomed.eu/en_cubomed/
Universidad de Alicante, Instituto “Ramon Margalef” and others
Flora, Fauna and Fungi
Sweden
www.artportalen.se
Swedish University of Agricultural Sciences
Birds
Sweden
http://www.sofnet.org/
Swedish Ornithological Society
Butterflies and moths
Sweden
http://www.zoo.ekol.lu.se/butterfly/index.html
Entomological Society of Sweden and others
Butterflies and dragonflies
Sweden
http://www.trollslandor.se/
Swedish Entomological Society
Other insects and spiders
Sweden
http://www.artdata.slu.se/faunavaktare.asp
Species Information Centre + Swedish Entomological Society
Flora
Sweden
http://www.sbf.c.se/
Swedish Botanical Society and others
Game species
Sweden
http://www.viltdata.se/
Swedish Association for Hunting and Wildlife Management
Phenology
Sweden
http://www.naturenskalender.se/
Swedish Phenological Network
Flora and Fauna
Switzerland
http://www.biodiversitymonitoring.ch/en/home.html
Biodiversity Monitoring Programme
Flora
Switzerland
http://www.nism.uzh.ch/index.php
University of Zurich, Institute of Systematic Botany
Birds
Turkey
http://www.kusbank.org
Doga Dernegi and others
Flora, Fauna and Fungi
United Kingdom
http://www.nbn.org.uk/
National Biodiversity Network's Gateway
Mammals (bats)
United Kingdom
http://www.bats.org.uk/pages/nbmp.html
Bat Conservation Trust
Invasive Alien Species
United Kingdom
https://secure.fera.defra.gov.uk/nonnativespecies/factsheet/index.cfm
Department for Environment, Food & Rural Affairs (DEFRA)
Flora and Fauna
United Kingdom
http://www.opalexplorenature.org/surveys
Natural History Museum, Open Air Laboratories (OPAL)
Amphibians and Reptiles
United Kingdom
http://narrs.org.uk/
Amphibian and Reptile Conservation and others
Flora
United Kingdom
http://www.bsbi.org.uk/recording.html
Botanical Society of the British Isles (BSBI)
Flora
United Kingdom
http://rbg-web2.rbge.org.uk/bbs/bbs.htm
British Biological Society
Fungi
United Kingdom
http://www.britmycolsoc.org.uk/mycology/recording-network/
British Mycological Society
Other insects (ladybirds)
United Kingdom
http://www.ladybird-survey.org/
Centre for Ecology & Hydrology (CEH)
Invasive Alien Species (harlequin ladybird)
United Kingdom
http://www.harlequin-survey.org/
Centre for Ecology & Hydrology (CEH)
Phenology
United Kingdom
http://www.naturescalendar.org.uk/
Woodland Trust
Other insects (aphids and moths)
United Kingdom
http://www.rothamsted.ac.uk/insect-survey/
The Rothamsted Insect Survey
Butterflies and moths
United Kingdom
http://butterfly-conservation.org/91/volunteer.html
Butterfly Conservation
Invasive Alien Species (Plants)
United Kingdom
http://planttracker.naturelocator.org/
UK Environment Agency and others
Invasive Alien Species (Marine)
United Kingdom
http://www.snh.gov.uk/land-and-sea/managing-coasts-and-sea/marine-nonnatives/
Scottish National Heritage
Several monitoring schemes of marine life
United Kingdom
http://marinesightingsnetwork.org/
The Marine Biological Association
Several monitoring schemes
United Kingdom
http://www.ispot.org.uk/surveys
Open Air Laboratories (OPAL)
Invasive Alien Species (Marine)
United Kingdom
http://www.marlin.ac.uk/marine_aliens/public_education.php
Marine Aliens Consortium