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Annual reports : Pointe de Grave, 2016
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 Tuesday, March 1st, 2016 until Saturday, April 30th, 2016

Number of days of migration watch : 61
Number of hours of migration watch : 61h00

Number of birds : 333517
Saturday  2016 12h00-13h00 12h00-13h00 - Duration : 01h00 
Waning Crescent (23 days) : Moonrise at 3h16 and moonset at 13h36
Sun : sunrise at 06h52 and sunset at 21h10
Day : dawn at 06h19 and dusk at 21h43
Comments :
12h00-13h00 :
 The most significant species
Total
 Show the data Show phenology Common species Great Cormorant (Phalacrocorax carbo)
2150
 Show the data Show phenology Common species Little Egret (Egretta garzetta)
715
 Show the data Show phenology Common species Grey Heron (Ardea cinerea)
797
 Show the data Show phenology Common species Black Kite (Milvus migrans)
1181
 Show the data Show phenology Common species Common Kestrel (Falco tinnunculus)
562
 Show the data Show phenology Common species Eurasian Hobby (Falco subbuteo)
255
 Show the data Show phenology Common species Bar-tailed Godwit (Limosa lapponica)
6
 Show the data Show phenology Common species Common Black-headed Gull (Chroicocephalus ridib...)
7790
 Show the data Show phenology Common species Lesser Black-backed Gull (Larus fuscus)
74794
 Show the data Show phenology Common species Eurasian Collared Dove (Streptopelia decaocto)
613
 Show the data Show phenology Common species European Turtle Dove (Streptopelia turtur)
1898
 Show the data Show phenology Common species Common Swift (Apus apus)
22997
 Show the data Show phenology Common species unidentified Martin (Hirundinidae sp.)
559
 Show the data Show phenology Common species Sand Martin (Riparia riparia)
23479
 Show the data Show phenology Common species Barn Swallow (Hirundo rustica)
30018
 Show the data Show phenology Common species Common House Martin (Delichon urbicum)
1522
 Show the data Show phenology Common species Tree Pipit (Anthus trivialis)
429
 Show the data Show phenology Common species Yellow Wagtail (Motacilla flava)
849
 Show the data Show phenology Common species Eurasian Golden Oriole (Oriolus oriolus)
77
 Show the data Show phenology Common species unidentified Finch (Fringillidae sp.)
1563
 Show the data Show phenology Common species European Goldfinch (Carduelis carduelis)
10910
 Show the data Show phenology Common species Eurasian Siskin (Carduelis spinus)
109
 Show the data Show phenology Common species Common Linnet (Carduelis cannabina)
11683
  Daily total
5
migrants
5
migrants
1
migrant
3
migrants
17
migrants
14
migrants
2
migrants
75
migrants
2860
migrants
6
migrants
131
migrants
4701
migrants
18
migrants
35
migrants
569
migrants
59
migrants
1
migrant
19
migrants
6
migrants
15
migrants
114
migrants
2
migrants
33
migrants
 Other species
Total
 Show the data Show phenology Common species Northern Gannet (Morus bassanus)
46
 Show the data Show phenology Common species Cattle Egret (Bubulcus ibis)
610
 Show the data Show phenology Common species Merlin (Falco columbarius)
23
 Show the data Show phenology Common species large unidentified wader (Charadriiformes sp.)
1779
 Show the data Show phenology Common species Grey Plover (Pluvialis squatarola)
45
 Show the data Show phenology Common species Red Knot (Calidris canutus)
55
 Show the data Common species Whimbrel (Numenius phaeopus)
454
 Show the data Show phenology Common species Common Redshank (Tringa totanus)
548
 Show the data Show phenology Common species unidentified Gull (Larus sp.)
3502
 Show the data Show phenology Common species Mediterranean Gull (Larus melanocephalus)
976
 Show the data Common species Laughing Gull (Larus atricilla)
1
 Show the data Show phenology Common species Great Black-backed Gull (Larus marinus)
13
 Show the data Show phenology Common species Whiskered Tern (Chlidonias hybrida)
2
 Show the data Show phenology Common species unidentified Passerine (Passeriformes sp.)
5232
  Daily total
29
migrants
35
migrants
1
migrant
29
migrants
8
migrants
40
migrants
27
migrants
1
migrant
1720
migrants
30
migrants
1
migrant
3
migrants
2
migrants
25
migrants
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