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 de la croix d'Auterre, 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 Saturday, September 25th, 2021 until Sunday, October 24th, 2021

Number of days of migration watch : 7
Number of hours of migration watch : 31h15

Number of birds : 13633
Sunday  2021 08h00-12h00- Duration : 04h00 
Waning Gibbous (18 days) : Moonrise at 20h41 and moonset at 12h02
Sun : sunrise at 08h12 and sunset at 18h39
Day : dawn at 07h42 and dusk at 19h10
Comments :
08h00-12h00 : Benoit DURY, Sylvain COEUR et Camille DURY
 Other species
Total
   Grey Heron (Ardea cinerea)
5
   Red Kite (Milvus milvus)
16
   Hen Harrier (Circus cyaneus)
1
   Eurasian Sparrowhawk (Accipiter nisus)
6
   Common Kestrel (Falco tinnunculus)
3
   Stock Dove (Columba oenas)
32
   Common Wood Pigeon (Columba palumbus)
7487
   Eurasian Collared Dove (Streptopelia decaocto)
8
   Woodlark (Lullula arborea)
38
   Eurasian Skylark (Alauda arvensis)
148
   Meadow Pipit (Anthus pratensis)
161
   Water Pipit (Anthus spinoletta)
57
   Grey Wagtail (Motacilla cinerea)
2
   White Wagtail (Motacilla alba)
173
   Dunnock (Prunella modularis)
26
   Black Redstart (Phoenicurus ochruros)
2
   Ring Ouzel (Turdus torquatus)
1
   Common Blackbird (Turdus merula)
25
   Song Thrush (Turdus philomelos)
92
   Redwing (Turdus iliacus)
80
   Mistle Thrush (Turdus viscivorus)
174
   Coal Tit (Periparus ater)
18
   Eurasian Blue Tit (Cyanistes caeruleus)
40
   Great Tit (Parus major)
36
   Rook (Corvus frugilegus)
6
   Carrion Crow (Corvus corone)
17
   Common Starling (Sturnus vulgaris)
370
   Eurasian Chaffinch (Fringilla coelebs)
3400
   Brambling (Fringilla montifringilla)
178
   European Serin (Serinus serinus)
10
   European Greenfinch (Chloris chloris)
10
   European Goldfinch (Carduelis carduelis)
38
   Eurasian Siskin (Spinus spinus)
237
   Common Linnet (Linaria cannabina)
46
   Eurasian Bullfinch (Pyrrhula pyrrhula)
3
   Hawfinch (Coccothraustes coccothraustes)
139
   Yellowhammer (Emberiza citrinella)
4
   Cirl Bunting (Emberiza cirlus)
1
   Common Reed Bunting (Emberiza schoeniclus)
9
   Corn Bunting (Emberiza calandra)
5
  Daily total
1
migrant
1
migrant
1
migrant
4
migrants
2
migrants
2
migrants
761
migrants
6
migrants
16
migrants
106
migrants
76
migrants
41
migrants
1
migrant
91
migrants
10
migrants
2
migrants
1
migrant
1
migrant
26
migrants
61
migrants
149
migrants
18
migrants
8
migrants
6
migrants
3
migrants
9
migrants
157
migrants
2071
migrants
143
migrants
2
migrants
4
migrants
29
migrants
37
migrants
7
migrants
2
migrants
67
migrants
4
migrants
1
migrant
6
migrants
5
migrants
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), 2003-2024