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 : Pierre-Aiguille, 2017
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, February 10th, 2017 until Saturday, April 22nd, 2017

Number of days of migration watch : 61
Number of hours of migration watch : 504h00

Number of birds : 70488
Saturday  2017 09h30-16h30 09h30-16h30 - Duration : 07h00 
Waning Crescent (25 days) : Moonrise at 4h46 and moonset at 15h50
Sun : sunrise at 06h42 and sunset at 20h35
Day : dawn at 06h11 and dusk at 21h06
Comments :
09h30-16h30 : B.Delhome
 The most significant species
Total
 Show the data Show phenology Common species Great Cormorant (Phalacrocorax carbo)
11967
 Show the data Show phenology Common species Grey Heron (Ardea cinerea)
66
 Show the data Show phenology Common species Black Stork (Ciconia nigra)
52
 Show the data Show phenology Common species White Stork (Ciconia ciconia)
4669
 Show the data Show phenology Common species European Honey Buzzard (Pernis apivorus)
1
 Show the data Show phenology Common species Black Kite (Milvus migrans)
5051
 Show the data Show phenology Common species Red Kite (Milvus milvus)
673
 Show the data Show phenology Common species Western Marsh Harrier (Circus aeruginosus)
771
 Show the data Show phenology Common species Eurasian Sparrowhawk (Accipiter nisus)
1738
 Show the data Show phenology Common species Common Buzzard (Buteo buteo)
4428
 Show the data Show phenology Common species Osprey (Pandion haliaetus)
128
 Show the data Show phenology Common species Common Kestrel (Falco tinnunculus)
437
 Show the data Show phenology Common species Eurasian Hobby (Falco subbuteo)
56
 Show the data Show phenology Common species Common Black-headed Gull (Chroicocephalus ridib...)
18179
 Show the data Show phenology Common species Lesser Black-backed Gull (Larus fuscus)
867
 Show the data Show phenology Common species Yellow-legged Gull (Larus michahellis)
565
 Show the data Show phenology Common species Common Swift (Apus apus)
923
 Show the data Show phenology Common species Alpine Swift (Apus melba)
692
 Show the data Show phenology Common species Barn Swallow (Hirundo rustica)
2319
 Show the data Show phenology Common species Common House Martin (Delichon urbicum)
1129
 Show the data Common species White Wagtail (Motacilla alba)
91
  Daily total
22
migrants
8
migrants
6
migrants
69
migrants + 2 erratic
1
migrant
20
migrants
3
migrants
5
migrants
41
migrants
3
migrants
4
migrants
32
migrants
14
migrants
15
migrants
25
migrants
67
migrants
220
migrants
10
migrants
155
migrants
170
migrants
2
migrants
 Other species
Total
 Show the data Common species Purple Heron (Ardea purpurea)
3
 Show the data Common species Eurasian Griffon (Gyps fulvus)
-
 Show the data Common species Montagu's Harrier (Circus pygargus)
9
 Show the data Common species Caspian Tern (Hydroprogne caspia)
2
 Show the data Common species European Bee-eater (Merops apiaster)
130
 Show the data Common species Tree Pipit (Anthus trivialis)
16
 Show the data Common species Common Linnet (Carduelis cannabina)
332
 Show the data Common species Rock Bunting (Emberiza cia)
2
  Daily total
3
migrants
+ 4 erratic
1
migrant
2
migrants
18
migrants
4
migrants
4
migrants
2
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), 2003-2017