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Annual reports : La Cerdagne - Eyne, 2020
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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 Thursday, June 18th, 2020 until Monday, September 21st, 2020

Number of days of migration watch : 75
Number of hours of migration watch : 651h55

Number of birds : 108470
Monday  2020 07h20-19h15 07h20-19h15 - Duration : 09h55 
Waxing Crescent (4 days) : Moonrise at 12h23 and moonset at 22h31
Sun : sunrise at 07h38 and sunset at 19h49
Day : dawn at 07h10 and dusk at 20h17
Comments :
07h20-15h15 : Anthony Chaillou + Lou-Galane Chamba + Ghislaine Escoubeyrou + Michel Cayla + François Gallon. Averses orageuses à 15h, sphère bouchée,17h15-19h15 : Anthony Chaillou Éclaircie après les averses
 The most significant species
Total
 Show the data Show phenology Common species Great Cormorant (Phalacrocorax carbo)
653
 Show the data Show phenology Common species Grey Heron (Ardea cinerea)
21
 Show the data Show phenology Common species Black Stork (Ciconia nigra)
26
 Show the data Show phenology Common species European Honey Buzzard (Pernis apivorus)
18614
 Show the data Show phenology Common species Black Kite (Milvus migrans)
1569
 Show the data Show phenology Common species Short-toed Snake Eagle (Circaetus gallicus)
804
 Show the data Show phenology Common species Western Marsh Harrier (Circus aeruginosus)
299
 Show the data Show phenology Common species Eurasian Sparrowhawk (Accipiter nisus)
1051
 Show the data Show phenology Common species Common Buzzard (Buteo buteo)
10
 Show the data Show phenology Common species Booted Eagle (Aquila pennata)
18
 Show the data Show phenology Common species Osprey (Pandion haliaetus)
59
 Show the data Show phenology Common species Common Kestrel (Falco tinnunculus)
379
 Show the data Show phenology Common species Merlin (Falco columbarius)
1
 Show the data Show phenology Common species Eurasian Hobby (Falco subbuteo)
38
 Show the data Show phenology Common species Stock Dove (Columba oenas)
28
 Show the data Show phenology Common species Barn Swallow (Hirundo rustica)
23283
 Show the data Show phenology Common species Common House Martin (Delichon urbicum)
4298
 Show the data Show phenology Common species Tawny Pipit (Anthus campestris)
29
 Show the data Show phenology Common species Tree Pipit (Anthus trivialis)
401
 Show the data Show phenology Common species Meadow Pipit (Anthus pratensis)
1
 Show the data Show phenology Common species Western Yellow Wagtail (Motacilla flava)
2355
 Show the data Show phenology Common species Grey Wagtail (Motacilla cinerea)
7
 Show the data Show phenology Common species Dunnock (Prunella modularis)
-
 Show the data Show phenology Common species Whinchat (Saxicola rubetra)
2
 Show the data Show phenology Common species Northern Wheatear (Oenanthe oenanthe)
3
 Show the data Show phenology Common species Red-billed Chough (Pyrrhocorax pyrrhocorax)
-
  Daily total
9
migrants
7
migrants
5
migrants
17
migrants
1
migrant
27
migrants
11
migrants
33
migrants
1
migrant + 2 local
+ 1 local
1
migrant
58
migrants
1
migrant
2
migrants
2
migrants
2227
migrants
1871
migrants
1
migrant
16
migrants
1
migrant
223
migrants
3
migrants
+ 1 local
+ 1 staging
1
migrant + 1 staging
+ 2 local
 Other species
Total
 Show the data Common species Lesser Spotted Woodpecker (Dendrocopos minor)
-
 Show the data Common species Willow Warbler (Phylloscopus trochilus)
2
 Show the data Common species unidentified Passerine (Passeriformes sp.)
93
  Daily total
+ 1 local
+ 1 staging
8
migrants
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