Floods, Gironde and Landes, June 2025
2 communes under a natural disaster declaration (flood)
199 protected animal species recorded in the declared communes in the ten years before the flood
14 animal species threatened on the national Red List, protected or not
birds: by their population in the flood's season
- Dates per the orders
- 24 to 25 June 2025
- Départements
- Gironde and Landes
- Flood type
- river flooding, runoff or mudflow
- Heaviest rainfall
- 56.6 mm
- in one day (Landes, 24 June 2025), BISCARROSSE station · per Météo-France
- 19 June 2025: 0 mm
- 20 June 2025: 0 mm
- 21 June 2025: 0 mm
- 22 June 2025: 0 mm
- 23 June 2025: 0 mm
- 24 June 2025: 56.6 mm
- 25 June 2025: 0.4 mm
- 26 June 2025: 0.2 mm
- 27 June 2025: 0 mm
56.6 mm from 22 to 24 Jun, up to the wettest day
The flood's dates
- Extent
- communes under a natural disaster declaration (flood)
Protected species recorded in the declared communes
Observations recorded in the ten years before the flood, some known only to within a few kilometres, up to 10 km, when their published position is blurred or given by grid square. They tell which species were reported there, not what became of each animal.
1,709 species recorded in the declared communes
199 protected animal species among them and 23 protected plants
14 animal species threatened on the national Red List, protected or not (vulnerable, endangered or critically endangered)
162 Birds
12 Mammals, bats included
10 Reptiles
8 Amphibians
4 Insects
3 Fish, molluscs and crayfish
For birds, the category is the one of their population at the flood's season (breeding, wintering or passage birds): a bird with no dated record in the declared communes in that season in the GBIF data has none, and the breeding category needs at least two dated records in June or July. In the migration season (March, August to October), a bird that neither the passage list nor the wintering list assesses takes its breeding category only if it was recorded at least twice in the declared communes in June or July. The list used is named under each species.
The most notable protected animal species
Species with at least three observations (for a bird, three in the months that give it its category, and no bird without a record at the flood's season), the most threatened first, then the most recorded. An observation is a published record: it can count one or several animals, and the same animal can be noted several times. When their published position is imprecise, blurred or given by grid square, they are said to be "in the communes or nearby".
Birds
The observations cover every season: a migrant bird recorded there may have been away on the day of the flood.
Fish, molluscs and crayfish
For fish, national protection (order of 8 December 1988) covers their eggs and spawning grounds: several are fished legally.
Insects
Photos: Wikimedia Commons, each under its own licence (CC BY, CC BY-SA, CC0, public domain). Credit for each photo
In the water's path
Establishments registered today in the communes declared for this flood, taken whole, at their declared address or at the point Géorisques gives. They were not necessarily there on the day of the flood, and the dataset does not say whether they were flooded. An ICPE-classified farm can also be in the SIRENE register: these counts do not add up.
No ICPE-classified livestock farm located in the declared communes
Géorisques · ICPE16 livestock businesses in the SIRENE register based in the declared communes
SIRENE register · Insee9 veterinary practices based in the declared communes
SIRENE register · Insee2 animal protection associations based in the declared communes
National register of associations1 wildlife association based in the declared communes
National register of associations
Of the 16 livestock businesses in the SIRENE register: 1 cattle, sheep, goat or pig farm, 2 horse farms and 13 farms of other animals.
A wildlife association is an association whose declared purpose in the national register of associations is the preservation of wildlife: the register does not say whether it runs an authorised care centre.
Protected areas in the declared communes
The sites the communes declared for this flood extend over, taken whole, dry sectors included. Natura 2000 and regulatory protection first, then the ZNIEFF, each by its area in these communes. These are not flooded areas: they are not given.
- Zones humides de l'arrière dune des pays de Born et de BuchNatura 2000, Habitats Directive
- Dunes modernes du littoral landais d'Arcachon à Mimizan PlageNatura 2000, Habitats Directive
- Forêts dunaires de la Teste-de-BuchNatura 2000, Habitats Directive
- Bassin d'Arcachon et Cap FerretFor its birds: Bassin d'Arcachon et banc d'ArguinNatura 2000, Habitats and Birds Directives
- Zones humides d'Arrière-Dune du pays de BornZNIEFF type II (inventoried natural area)
- Dunes littorales du banc de Pineau à l'AdourZNIEFF type II (inventoried natural area)
- Petit étang de Biscarrosse, marais associés et lette des HourtiquetsZNIEFF type I (inventoried natural area)
- Rives marécageuses de l'étang de Cazaux-SanguinetZNIEFF type I (inventoried natural area)
- Rives marécageuses de l'étang de Biscarrosse-ParentisZNIEFF type I (inventoried natural area)
- Bassin d'ArcachonZNIEFF type II (inventoried natural area)
A marsh can be designated twice under Natura 2000, for its habitats and for its birds: when both sites carry the same name, or have the same extent and almost the same area here, they share one row. Natura 2000 areas overlap and do not add up. A ZNIEFF is a wildlife inventory, with no regulatory protection.
The declared communes
2 communes declared a natural disaster (flood) for this flood, département by département.
GirondeSee the commune
Arcachon
LandesSee the commune
Biscarrosse
This flood's data
In every file of the dataset, this flood carries the identifier EV-20250624-20250625-33.
The full dataset is released on 13 October at 6:00 (Paris time). Until then, we send it on request: presse@animalert.app.
Ask for the datasetpublic on 13 October at 6:00Recognised and listed
Public on data.gouv.fr on 13 October at 6:00
A project labelled by the French StateNational Resilience Day 2026 (Journée nationale de la résilience)
Registered with GBIFDerived dataset, DOI 10.15468/dd.ta4vkx