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 : Col du Markstein - Trehkopf, 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 Monday, September 13th, 2021 until Wednesday, October 20th, 2021

Number of days of migration watch : 14
Number of hours of migration watch : 59h30

Number of birds : 65112
Wednesday  2021 07h20-11h05- Duration : 03h45 
[Display all species]
Full (14 days) : Moonrise at 18h48 and moonset at 7h30
Sun : sunrise at 07h59 and sunset at 18h33
Day : dawn at 07h28 and dusk at 19h05
Comments :
07h20-11h05 : A 7:20, très bonne visibilité, CN 2/8, 11°C. Vent de SW fort : moyenne 40 km/h, nombreuses rafales à 70 km/h. En cours de matinée, le ciel se couvre (CN 7/8 à 11h) et le vent faiblit jusqu'à 20 km/h de moyenne (rafales à 40 km/h) et périodes d'accalmie. Les oiseaux passent à faible hauteur, voire au ras de la chaume. L. Bories. Présence d'A.N. Varin et de R. Biache.
 The most significant species
Total
  Show phenology  Common Wood Pigeon (Columba palumbus)
1837
  Show phenology  Eurasian Skylark (Alauda arvensis)
77
  Show phenology  Meadow Pipit (Anthus pratensis)
272
  Show phenology  Grey Wagtail (Motacilla cinerea)
12
  Show phenology  White Wagtail (Motacilla alba)
190
  Show phenology  Ring Ouzel (Turdus torquatus)
29
  Show phenology  Common Blackbird (Turdus merula)
135
  Show phenology  Song Thrush (Turdus philomelos)
531
  Show phenology  Redwing (Turdus iliacus)
44
  Show phenology  Mistle Thrush (Turdus viscivorus)
308
  Show phenology  Goldcrest (Regulus regulus)
2
  Show phenology  Tit, unidentified (Paridae sp.)
14
  Show phenology  Coal Tit (Periparus ater)
314
  Show phenology  Eurasian Blue Tit (Cyanistes caeruleus)
120
  Show phenology  Great Tit (Parus major)
143
  Show phenology  Eurasian Jay (Garrulus glandarius)
368
  Show phenology  Common Starling (Sturnus vulgaris)
297
  Show phenology  unidentified Passerine (Passeriformes sp.)
306
  Show phenology  Chaffinch / Brambling (Fringilla coelebs / mont...)
820
  Show phenology  Common Chaffinch (Fringilla coelebs)
32664
  Show phenology  Brambling (Fringilla montifringilla)
14554
  Show phenology  European Serin (Serinus serinus)
143
  Show phenology  European Greenfinch (Carduelis chloris)
38
  Show phenology  European Goldfinch (Carduelis carduelis)
745
  Show phenology  Eurasian Siskin (Carduelis spinus)
7623
  Show phenology  Common Linnet (Carduelis cannabina)
181
  Show phenology  Hawfinch (Coccothraustes coccothraustes)
1179
  Show phenology  Common Reed Bunting (Emberiza schoeniclus)
16
  Daily total
25
migrants
3
migrants
15
migrants
1
migrant
27
migrants
7
migrants
12
migrants
1
migrant
4
migrants
5
migrants
1
migrant
10
migrants
46
migrants
5
migrants
3
migrants
3
migrants
38
migrants
60
migrants
250
migrants
8464
migrants
4445
migrants
30
migrants
1
migrant
138
migrants
893
migrants
15
migrants
107
migrants
10
migrants
 Other species
Total
   Western Jackdaw (Corvus monedula)
20
  Show phenology  Carrion Crow (Corvus corone)
-
  Show phenology  Northern Raven (Corvus corax)
-
  Daily total
15
migrants
+ 1 local
+ 1 local
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