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Annual reports : Là Haut, 2021
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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, August 6th, 2021 until Saturday, October 23rd, 2021

Number of days of migration watch : 59
Number of hours of migration watch : 187h50

Number of birds : 36403
Saturday  2021 08h10-18h45- Duration : 06h50 
Waning Gibbous (17 days) : Moonrise at 19h59 and moonset at 11h16
Sun : sunrise at 08h22 and sunset at 18h39
Day : dawn at 07h49 and dusk at 19h12
Comments :
08h10-09h30 : 4°. Vent Est faible. Bleu, difficile de tout compter.,09h45-13h30 : 7 à 12°. Vent SE 11 KM/H, rafales 17. Bleu, difficile d'y compter.,17h00-18h45 : 11°. Vent SE 11 KM/H, rafales 17. Nuageux, puis bleu, 900 oiseaux dont 600 étourneaux à cette session.
 The most significant species
Total
  Show phenology  Grey Heron (Ardea cinerea)
24
  Show phenology  Hen Harrier (Circus cyaneus)
1
  Show phenology  Eurasian Sparrowhawk (Accipiter nisus)
31
  Show phenology  Common Buzzard (Buteo buteo)
149
  Show phenology  Northern Lapwing (Vanellus vanellus)
193
  Show phenology  Common Wood Pigeon (Columba palumbus)
4917
  Show phenology  Great Spotted Woodpecker (Dendrocopos major)
39
  Show phenology  Woodlark (Lullula arborea)
179
  Show phenology  Eurasian Skylark (Alauda arvensis)
160
  Show phenology  Barn Swallow (Hirundo rustica)
91
  Show phenology  Meadow Pipit (Anthus pratensis)
1548
  Show phenology  White Wagtail (Motacilla alba)
431
  Show phenology  Dunnock (Prunella modularis)
81
  Show phenology  Common Blackbird (Turdus merula)
138
  Show phenology  Song Thrush (Turdus philomelos)
789
  Show phenology  Redwing (Turdus iliacus)
1090
  Show phenology  Common Chiffchaff (Phylloscopus collybita)
129
  Show phenology  Coal Tit (Periparus ater)
1111
  Show phenology  Eurasian Blue Tit (Cyanistes caeruleus)
594
  Show phenology  Great Tit (Parus major)
256
  Show phenology  Eurasian Nuthatch (Sitta europaea)
23
  Show phenology  Short-toed Treecreeper (Certhia brachydactyla)
21
  Show phenology  Eurasian Jay (Garrulus glandarius)
1731
  Show phenology  Western Jackdaw (Corvus monedula)
1251
  Show phenology  Rook (Corvus frugilegus)
124
  Show phenology  Common Starling (Sturnus vulgaris)
9883
  Show phenology  Common Chaffinch (Fringilla coelebs)
8538
  Show phenology  Brambling (Fringilla montifringilla)
860
  Show phenology  European Greenfinch (Carduelis chloris)
242
  Show phenology  European Goldfinch (Carduelis carduelis)
209
  Show phenology  Eurasian Siskin (Carduelis spinus)
388
  Show phenology  Common Linnet (Carduelis cannabina)
594
  Show phenology  Yellowhammer (Emberiza citrinella)
29
  Daily total
1
migrant
1
migrant
2
migrants
4
migrants
55
migrants
1888
migrants
1
migrant
1
migrant
7
migrants
1
migrant
39
migrants
41
migrants
3
migrants
22
migrants
2
migrants
2
migrants
3
migrants
26
migrants
86
migrants
10
migrants
2
migrants
1
migrant
5
migrants
10
migrants
3
migrants
1095
migrants
560
migrants
154
migrants
4
migrants
5
migrants
17
migrants
13
migrants
1
migrant
 Other species
Total
   Grey Wagtail (Motacilla cinerea)
6
   Eurasian Bullfinch (Pyrrhula pyrrhula)
1
  Daily total
1
migrant
1
migrant
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