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Annual reports : Col de Lizarrieta, 2023
Watchpoint
Graphs
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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 Friday, September 15th, 2023 until Wednesday, November 15th, 2023

Number of days of migration watch : 45
Number of hours of migration watch : 523h28

Number of birds : 74836
Wednesday  2023 08h00-17h50- Duration : 09h50 
[Display all species]
Waxing Crescent (2 days) : Moonrise at 10h28 and moonset at 18h54
Sun : sunrise at 07h59 and sunset at 17h42
Day : dawn at 07h29 and dusk at 18h13
Comments :
08h00-09h00 : Etienne Rogeau, Fabien Delorme, Guillaume Hayart, Karine Drost, Valentin Legros-Lahellec, Elisa Gérard, Gaëlle Sager, Aude Cazanave, Aurélien André, Laura Restrepo, Cassandre Blondel
 The most significant species
Total
  Show phenology  Great Cormorant (Phalacrocorax carbo)
2203
  Show phenology  Black Stork (Ciconia nigra)
182
  Show phenology  Red Kite (Milvus milvus)
1467
  Show phenology  Western Marsh Harrier (Circus aeruginosus)
534
  Show phenology  Hen Harrier (Circus cyaneus)
60
  Show phenology  Eurasian Sparrowhawk (Accipiter nisus)
756
  Show phenology  Common Buzzard (Buteo buteo)
59
  Show phenology  Common Kestrel (Falco tinnunculus)
420
  Show phenology  unidentified Gull (Larus sp. (magna))
610
  Show phenology  unidentified Pigeon (Columba sp.)
9408
  Show phenology  Stock Dove (Columba oenas)
5420
  Show phenology  Common Wood Pigeon (Columba palumbus)
3563
  Daily total
26
migrants
1
migrant
78
migrants
2
migrants
1
migrant
2
migrants
3
migrants
3
migrants
4
migrants
4532
migrants + 90 reverse migrants + 72 not going through
59
migrants + 1 reverse migrant + 1 not going through
2129
migrants + 339 not going through + 102 reverse migrants + 2 killed
 Other species
Total
  Show phenology  Bearded Vulture (Gypaetus barbatus)
-
  Show phenology  Griffon Vulture (Gyps fulvus)
-
  Show phenology  Golden Eagle (Aquila chrysaetos)
-
  Show phenology  Peregrine Falcon (Falco peregrinus)
1
  Show phenology  Common Crane (Grus grus)
858
  Show phenology  Eurasian Skylark (Alauda arvensis)
39444
  Daily total
+ 1 local
+ 1 local
+ 1 local
+ 1 local
206
migrants
4
migrants
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