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Annual reports : Les boucles de la Marne, 2021
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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, September 5th, 2021 until Saturday, November 6th, 2021

Number of days of migration watch : 19
Number of hours of migration watch : 96h55

Number of birds : 121554
Saturday  2021 07h40-09h00- Duration : 01h20 
Waxing Crescent (1 day) : Moonrise at 9h43 and moonset at 18h21
Sun : sunrise at 07h44 and sunset at 17h18
Day : dawn at 07h10 and dusk at 17h52
Comments :
07h40-09h00 : Observateurs: A.KITA, brouillard, passage haut
 The most significant species
Total
  Show phenology  European Golden Plover (Pluvialis apricaria)
232
  Show phenology  Northern Lapwing (Vanellus vanellus)
2716
  Show phenology  Stock Dove (Columba oenas)
357
  Show phenology  Common Wood Pigeon (Columba palumbus)
87722
  Show phenology  Eurasian Skylark (Alauda arvensis)
2411
  Show phenology  Meadow Pipit (Anthus pratensis)
2032
  Show phenology  Common Blackbird (Turdus merula)
28
  Show phenology  Fieldfare (Turdus pilaris)
21
  Show phenology  Song Thrush (Turdus philomelos)
233
  Show phenology  Redwing (Turdus iliacus)
228
  Show phenology  Mistle Thrush (Turdus viscivorus)
28
  Show phenology  Common Starling (Sturnus vulgaris)
6199
  Show phenology  Eurasian Chaffinch (Fringilla coelebs)
9883
  Show phenology  Brambling (Fringilla montifringilla)
1120
  Show phenology  European Goldfinch (Carduelis carduelis)
490
  Show phenology  Eurasian Siskin (Spinus spinus)
329
  Show phenology  Common Reed Bunting (Emberiza schoeniclus)
27
  Daily total
31
migrants
41
migrants
6
migrants
18620
migrants
44
migrants
8
migrants
3
migrants
19
migrants
1
migrant
142
migrants
2
migrants
979
migrants
134
migrants
408
migrants
15
migrants
12
migrants
12
migrants
 Other species
Total
   Ring Ouzel (Turdus torquatus)
7
   Eurasian Blue Tit (Cyanistes caeruleus)
36
   Great Tit (Parus major)
18
  Daily total
1
migrant
7
migrants
4
migrants
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