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