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 : Les Sommêtres, 2021
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 Friday, September 3rd, 2021 until Sunday, October 17th, 2021

Number of days of migration watch : 19
Number of hours of migration watch : 152h26

Number of birds : 92441
Sunday  2021 08h15-17h15- Duration : 09h00 
Waxing Gibbous (11 days) : Moonrise at 17h57 and moonset at 4h02
Sun : sunrise at 07h54 and sunset at 18h40
Day : dawn at 07h23 and dusk at 19h11
Comments :
08h15-17h15 : ensoleillé vent d'ouest frais en début de matinée, après midi se réchauffe un peu vent d'ouest faible
 The most significant species
Total
  Show phenology  Great Cormorant (Phalacrocorax carbo)
397
  Show phenology  unidentified raptor (Falconiformes sp.)
16
  Show phenology  Red Kite (Milvus milvus)
554
  Show phenology  Northern Goshawk (Accipiter gentilis)
4
  Show phenology  Eurasian Sparrowhawk (Accipiter nisus)
49
  Show phenology  Common Buzzard (Buteo buteo)
441
  Show phenology  Common Kestrel (Falco tinnunculus)
24
  Show phenology  Peregrine Falcon (Falco peregrinus)
10
  Show phenology  Stock Dove (Columba oenas)
15
  Show phenology  Common Wood Pigeon (Columba palumbus)
79557
  Show phenology  Eurasian Skylark (Alauda arvensis)
185
  Show phenology  Common House Martin (Delichon urbicum)
445
  Show phenology  Meadow Pipit (Anthus pratensis)
10
  Show phenology  White Wagtail (Motacilla alba)
5
  Show phenology  Song Thrush (Turdus philomelos)
22
  Show phenology  Mistle Thrush (Turdus viscivorus)
156
  Show phenology  Coal Tit (Periparus ater)
11
  Show phenology  Eurasian Blue Tit (Cyanistes caeruleus)
60
  Show phenology  Great Tit (Parus major)
78
  Show phenology  Common Starling (Sturnus vulgaris)
212
  Show phenology  unidentified Passerine (Passeriformes sp.)
2821
  Show phenology  Common Chaffinch (Fringilla coelebs)
6396
  Show phenology  Brambling (Fringilla montifringilla)
4
  Show phenology  European Greenfinch (Carduelis chloris)
27
  Show phenology  Common Linnet (Carduelis cannabina)
3
  Show phenology  Eurasian Bullfinch (Pyrrhula pyrrhula)
2
  Daily total
7
migrants
8
migrants
63
migrants
1
migrant
10
migrants
39
migrants
2
migrants
1
migrant
3
migrants
2082
migrants
118
migrants
1
migrant
3
migrants
5
migrants
3
migrants
31
migrants
8
migrants
15
migrants
16
migrants
51
migrants
195
migrants
535
migrants
3
migrants
5
migrants
3
migrants
2
migrants
 Other species
Total
   Hen Harrier (Circus cyaneus)
1
   Northern Lapwing (Vanellus vanellus)
14
   Great Spotted Woodpecker (Dendrocopos major)
6
   Common Blackbird (Turdus merula)
12
   Western Jackdaw (Corvus monedula)
117
   Rook (Corvus frugilegus)
1
  Daily total
1
migrant
14
migrants
1
migrant
12
migrants
8
migrants
1
migrant
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), 2003-2021