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Annual reports : Brassoir, 2020
Watchpoint
Graphs
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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 Sunday, July 26th, 2020 until Tuesday, December 1st, 2020

Number of days of migration watch : 91
Number of hours of migration watch : 617h31

Number of birds : 87895
Tuesday  2020 09h00-11h20- Duration : 02h20 
[Display all species]
Waning Gibbous (16 days) : Moonrise at 17h37 and moonset at 9h21
Sun : sunrise at 08h23 and sunset at 16h51
Day : dawn at 07h46 and dusk at 17h28
Comments :
09h00-11h20 : intervalles nuageux vent NW force 4 à 6 en rafales observateur HL
 The most significant species
Total
  Show phenology  Greylag Goose (Anser anser)
16
  Show phenology  Great Cormorant (Phalacrocorax carbo)
2019
  Show phenology  Grey Heron (Ardea cinerea)
57
  Show phenology  Hen Harrier (Circus cyaneus)
63
  Show phenology  Common Buzzard (Buteo buteo)
116
  Show phenology  Common Kestrel (Falco tinnunculus)
39
  Show phenology  Peregrine Falcon (Falco peregrinus)
16
  Show phenology  European Golden Plover (Pluvialis apricaria)
2129
  Show phenology  Northern Lapwing (Vanellus vanellus)
15785
  Show phenology  Black-headed Gull (Chroicocephalus ridibundus)
379
  Show phenology  Lesser Black-backed Gull (Larus fuscus)
142
  Show phenology  Common Wood Pigeon (Columba palumbus)
5348
  Show phenology  Eurasian Skylark (Alauda arvensis)
16875
  Show phenology  Meadow Pipit (Anthus pratensis)
8704
  Show phenology  Water Pipit (Anthus spinoletta)
13
  Show phenology  Fieldfare (Turdus pilaris)
428
  Show phenology  Redwing (Turdus iliacus)
517
  Show phenology  Great Tit (Parus major)
56
  Show phenology  Western Jackdaw (Coloeus monedula)
520
  Show phenology  Common Starling (Sturnus vulgaris)
7897
  Show phenology  Eurasian Chaffinch (Fringilla coelebs)
9471
  Show phenology  Brambling (Fringilla montifringilla)
40
  Show phenology  European Goldfinch (Carduelis carduelis)
675
  Daily total
2
migrants
4
migrants
+ 1 local
+ 1 local
+ 4 local
+ 1 local
1
migrant + 2 staging
605
migrants + 385 reverse migrants
60
migrants + 8 reverse migrants + 1450 staging
+ 266 erratic
11
migrants
+ 2605 staging
+ 16 staging
+ 4 staging
1
migrant
15
migrants + 90 staging
16
migrants
+ 2 local
+ 28 erratic
+ 7 local
52
migrants
4
migrants
+ 20 local
 Other species
Total
   unidentified Passerine (Passeriformes sp.)
490
   Lesser Redpoll (Acanthis cabaret)
2
  Daily total
6
migrants
+ 2 erratic
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