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Annual reports : Les boucles de la Marne, 2023
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 Sunday, August 6th, 2023 until Wednesday, November 15th, 2023

Number of days of migration watch : 22
Number of hours of migration watch : 91h56

Number of birds : 129501
Wednesday  2023 07h50-10h35- Duration : 02h45 
[Display all species]
Waxing Crescent (2 days) : Moonrise at 10h39 and moonset at 18h03
Sun : sunrise at 07h57 and sunset at 17h07
Day : dawn at 07h22 and dusk at 17h41
Comments :
07h50-10h35 : T.Hurtrel (7h50/10h35), vent SO moyen, ciel couvert de 7h50 à 8h45 puis se découvre largement. Température 8°C à 11°C.
 The most significant species
Total
  Show phenology  Great Cormorant (Phalacrocorax carbo)
982
  Show phenology  Great Egret (Casmerodius albus)
16
  Show phenology  Common Buzzard (Buteo buteo)
12
  Show phenology  European Golden Plover (Pluvialis apricaria)
1816
  Show phenology  Northern Lapwing (Vanellus vanellus)
5638
  Show phenology  Stock Dove (Columba oenas)
657
  Show phenology  Common Wood Pigeon (Columba palumbus)
92699
  Show phenology  Woodlark (Lullula arborea)
39
  Show phenology  Eurasian Skylark (Alauda arvensis)
6063
  Show phenology  Meadow Pipit (Anthus pratensis)
1819
  Show phenology  White Wagtail (Motacilla alba)
409
  Show phenology  Fieldfare (Turdus pilaris)
145
  Show phenology  Redwing (Turdus iliacus)
50
  Show phenology  Common Starling (Sturnus vulgaris)
3145
  Show phenology  Eurasian Chaffinch (Fringilla coelebs)
8716
  Show phenology  Brambling (Fringilla montifringilla)
147
  Show phenology  European Goldfinch (Carduelis carduelis)
575
  Show phenology  Eurasian Siskin (Spinus spinus)
242
  Show phenology  Common Linnet (Linaria cannabina)
1724
  Show phenology  Common Reed Bunting (Emberiza schoeniclus)
127
  Daily total
63
migrants
1
migrant
2
migrants
401
migrants
245
migrants
94
migrants
2336
migrants
2
migrants
172
migrants
44
migrants
1
migrant
90
migrants
2
migrants
105
migrants
233
migrants
54
migrants
67
migrants
5
migrants
9
migrants
9
migrants
 Other species
Total
   unidentified dabbling duck (Anatidae sp. (super...)
64
   Hen Harrier (Circus cyaneus)
4
   Eurasian Stone-curlew (Burhinus oedicnemus)
1
   Eurasian Blue Tit (Cyanistes caeruleus)
54
   unidentified Passerine (Passeriformes sp.)
1101
  Show phenology  European Greenfinch (Chloris chloris)
45
   Red Crossbill (Loxia curvirostra)
5
   Hawfinch (Coccothraustes coccothraustes)
4
   Yellowhammer (Emberiza citrinella)
25
   Corn Bunting (Emberiza calandra)
58
  Daily total
9
migrants
1
migrant
1
migrant
6
migrants
12
migrants
2
migrants
1
migrant
3
migrants
6
migrants
1
migrant
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