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Annual reports : Butte de Doue, 2021
Watchpoint
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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 Monday, September 6th, 2021 until Saturday, October 23rd, 2021

Number of days of migration watch : 7
Number of hours of migration watch : 25h50

Number of birds : 53957
Saturday  2021 07h45-13h00- Duration : 05h15 
Waning Gibbous (17 days) : Moonrise at 20h04 and moonset at 11h12
Sun : sunrise at 08h21 and sunset at 18h42
Day : dawn at 07h48 and dusk at 19h14
 The most significant species
Total
  Show phenology  Great Cormorant (Phalacrocorax carbo)
87
  Show phenology  Eurasian Sparrowhawk (Accipiter nisus)
3
  Show phenology  European Golden Plover (Pluvialis apricaria)
44
  Show phenology  Northern Lapwing (Vanellus vanellus)
404
  Show phenology  Stock Dove (Columba oenas)
129
  Show phenology  Common Wood Pigeon (Columba palumbus)
47370
  Show phenology  Woodlark (Lullula arborea)
20
  Show phenology  Eurasian Skylark (Alauda arvensis)
301
  Show phenology  Meadow Pipit (Anthus pratensis)
331
  Show phenology  White Wagtail (Motacilla alba)
241
  Show phenology  Dunnock (Prunella modularis)
12
  Show phenology  Common Blackbird (Turdus merula)
19
  Show phenology  Song Thrush (Turdus philomelos)
290
  Show phenology  Redwing (Turdus iliacus)
65
  Show phenology  Mistle Thrush (Turdus viscivorus)
51
  Show phenology  Eurasian Blue Tit (Cyanistes caeruleus)
35
  Show phenology  Great Tit (Parus major)
9
  Show phenology  Western Jackdaw (Corvus monedula)
155
  Show phenology  Rook (Corvus frugilegus)
32
  Show phenology  Common Starling (Sturnus vulgaris)
604
  Show phenology  Common Chaffinch (Fringilla coelebs)
2286
  Show phenology  Brambling (Fringilla montifringilla)
464
  Show phenology  European Serin (Serinus serinus)
2
  Show phenology  European Greenfinch (Carduelis chloris)
17
  Show phenology  European Goldfinch (Carduelis carduelis)
68
  Show phenology  Eurasian Siskin (Carduelis spinus)
200
  Show phenology  Common Linnet (Carduelis cannabina)
217
  Show phenology  Eurasian Bullfinch (Pyrrhula pyrrhula)
4
  Show phenology  Common Reed Bunting (Emberiza schoeniclus)
32
  Show phenology  Corn Bunting (Emberiza calandra)
11
  Daily total
25
migrants
3
migrants
44
migrants
225
migrants
102
migrants
10790
migrants
4
migrants
55
migrants
71
migrants
55
migrants
5
migrants
2
migrants
14
migrants
5
migrants
4
migrants
4
migrants
2
migrants
49
migrants
12
migrants
370
migrants
1030
migrants
350
migrants
1
migrant
11
migrants
35
migrants
105
migrants
6
migrants
4
migrants
13
migrants
8
migrants
 Other species
Total
  Daily total
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