fr
de
it
en
es
nl
 Visitor Anonymous 
Homepage
Data base
 - 
Homepage data base
 - 
Our charter
  Sightings
    - 
Annual reports
  Galleries
    - 
All pictures
  Stats
Migration sites
Resources and links
The Migration Study Group
Our partners
Annual reports : Gruissan-Narbonne, 2023
Watchpoint
Graphs
News
Bird Reports
See cumulative daily totals and phenology graphs
 
Not available. This representation exists with one or all sites, one or all years and a single species.

Comparison of the duration of migration : This graph compares the duration of migration in number of days between different key percentages of migration. It is possible to compare several sites on the same graph.
Not available. This representation exists with one or all sites, one or all years and a single species.

Comparison of migration dates : This graph matches key percentages of migration with calendar days. It is possible to compare several sites in the same graph.
Not available. This representation exists with a single site, all years and a single species.

Interannual trend : This interannual graph represents the evolution between annual totals.
Not available. This representation exists with a single site, one or all years and a single species.

Phenological trend : This graph represents the evolution of the percentage of migration. Key percentages are indicated by vertical red bars.
Not available. This representation exists with a single site, all years and a single species.

Daily evolution : This interannual graph represents the trend of dates and key percentages of migration.
Not available. This representation exists with a single site, one or all years and a single species.

Totals by hour : This graph represents the distribution of the total number of birds by hour. When a specific year is chosen, the average of all the years of the migration watch is shown in grey.
Not available. This representation exists with a single site, one or all years and a single species.

Seasonal phenology : This graph represents the distribution of the daily passage total (the decadary total is symbolized by red bars). If a specific year is selected, the average of all years is shown in grey.
Not available. This representation exists with a single site, one or all years and a single species.

Relative migration : This graph represents the distribution in daily percentage of migration (percentage by decade being symbolized by red bars). If a specific year is chosen, the average of all years is shown in grey.
Not available. This representation exists with a single site, one or all years and a single species.

Seasonal phenology (decade) : This graph represents the migration total by decade. If a specific year is selected, the average of all years of the migration survey is shown in grey.
Not available. This representation exists with a single site, one or all years and a single species.

Hourly mean per decade : This graph shows the mean number of migrants per hour over ten-day periods. When a specific year is selected, the mean number of migrants calculated over all years of record is depicted in grey.
Not available. This representation exists with a single site, one or all years and a single species.

Seasonal phenology (5-day period) : This graph shows the numbers of migratory individuals over 5-day periods. If a specific year is selected, the average of all years is shown in grey.
Not available. This representation exists with a single site, one or all years and a single species.

Hourly mean per 5-day period : This graph shows the mean number of individuals per hour over 5-day periods. When a specific year is selected, the mean number of migrants calculated over all years of record is shown in grey.
Available. This representation exists with a single site, a single year and all the species.

Summary table : This graph represents the seasonal totals as well as the latest totals of the migration watch. The upper table represents the most significant species for the watchpoint.
Available. This representation exists with a single site, a single year and all the species.

Migration synthesis : This graph is representing migration periods for each species at the site in a given year
Available. This representation exists with one or all sites, one or all years and all the species.

Observation effort : This table shows the observer pressure at the watchpoint for all years or day by day for a selected year.
Not available. This representation exists with all sites combined, one or all years and a single species.

Distribution Map : This map shows the relative importance of the watchpoints for a selected species. The dots represent the number of individuals per season.

Period : from Wednesday, July 19th, 2023 until Saturday, September 23rd, 2023

Number of days of migration watch : 32
Number of hours of migration watch : 259h16

Number of birds : 135847
Saturday  2023 07h45-17h40- Duration : 09h55 
[Display all species]
Waxing Gibbous (8 days) : Moonrise at 16h28 and moonset at 0h09
Sun : sunrise at 07h36 and sunset at 19h43
Day : dawn at 07h08 and dusk at 20h12
Comments :
07h45-17h40 : Observateurs: Florian Escot, Benoit Sauphamor, Isabelle Monmayrant, Marion Derrien, Christophe Thebaud, Mhe Francois, Maryline et Bruno Lhost, Guillot Laure, Louis Granier, Martine Beton Granier. Migration au compte goutte avec un net arrêt en milieu de journée (blocage ?). Très belle surprise ce matin avec le passage d'un Aigle pomarin !! magnifique observation, l'aigle a cerclé plusieurs fois en face de nous et a fini par passer sur le Roc !! Magique.
 The most significant species
Total
  Show phenology  Great Cormorant (Phalacrocorax carbo)
51
  Show phenology  Grey Heron (Ardea cinerea)
7
  Show phenology  Black Stork (Ciconia nigra)
49
  Show phenology  White Stork (Ciconia ciconia)
6771
  Show phenology  European Honey Buzzard (Pernis apivorus)
10182
  Show phenology  Black Kite (Milvus migrans)
5304
  Show phenology  Short-toed Snake Eagle (Circaetus gallicus)
13
  Show phenology  Western Marsh Harrier (Circus aeruginosus)
81
  Show phenology  Montagu's Harrier (Circus pygargus)
30
  Show phenology  Eurasian Sparrowhawk (Accipiter nisus)
391
   Lesser Spotted Eagle (Aquila pomarina)
1
  Show phenology  Booted Eagle (Aquila pennata)
-
  Show phenology  Osprey (Pandion haliaetus)
23
  Show phenology  Common Kestrel (Falco tinnunculus)
37
  Show phenology  Common / Lesser Kestrel (Falco naumanni / tinnu...)
4
  Show phenology  Eurasian Hobby (Falco subbuteo)
5
  Show phenology  Common Wood Pigeon (Columba palumbus)
200
  Show phenology  Common Swift (Apus apus)
105685
  Show phenology  Alpine Swift (Apus melba)
88
  Show phenology  Sand Martin (Riparia riparia)
966
  Show phenology  Barn Swallow (Hirundo rustica)
791
  Show phenology  Common House Martin (Delichon urbicum)
4438
  Show phenology  Tree Pipit (Anthus trivialis)
12
  Show phenology  Western Yellow Wagtail (Motacilla flava)
153
  Show phenology  Grey Wagtail (Motacilla cinerea)
2
  Show phenology  Common Linnet (Carduelis cannabina)
6
  Daily total
21
migrants
3
migrants
19
migrants
135
migrants
10
migrants
5
migrants
9
migrants
3
migrants
1
migrant
151
migrants
1
migrant
+ 1 reverse migrant
4
migrants
28
migrants
2
migrants
3
migrants
200
migrants
3
migrants
4
migrants
1
migrant
136
migrants
110
migrants
8
migrants
19
migrants
1
migrant
6
migrants
 Other species
Total
  Daily total
Visionature
VisioNature est un outil développé avec la collaboration du réseau LPO. Grâce aux technologies Internet, débutants, amateurs et professionnels naturalistes, peuvent partager en temps réel leur découverte et ainsi améliorer la connaissance et la protection de la faune

Biolovision Sàrl (Switzerland), 2003-2023