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Annual reports : Pointe de Grave, 2020
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, March 1st, 2020 until Thursday, May 14th, 2020

Number of days of migration watch : 56
Number of hours of migration watch : 583h46

Number of birds : 147074
Thursday  2020 07h00-21h35 07h00-21h35 - Duration : 14h35 
[Display all species]
Waning Gibbous (21 days) : Moonrise at 3h24 and moonset at 13h02
Sun : sunrise at 06h33 and sunset at 21h27
Day : dawn at 05h58 and dusk at 22h02
Comments :
07h00-21h35 : Observateurs : Pierre Migaud, Guillaume Peplinski.
 The most significant species
Total
 Show the data Show phenology Common species Little Egret (Egretta garzetta)
418
 Show the data Show phenology Common species Grey Heron (Ardea cinerea)
192
 Show the data Show phenology Common species Eurasian Spoonbill (Platalea leucorodia)
1957
 Show the data Show phenology Common species European Honey Buzzard (Pernis apivorus)
325
 Show the data Show phenology Common species Black Kite (Milvus migrans)
868
 Show the data Show phenology Common species Common Kestrel (Falco tinnunculus)
212
 Show the data Show phenology Common species Eurasian Hobby (Falco subbuteo)
197
 Show the data Show phenology Common species Whimbrel (Numenius phaeopus)
401
 Show the data Show phenology Common species Black-headed Gull (Chroicocephalus ridibundus)
731
 Show the data Show phenology Common species Lesser Black-backed Gull (Larus fuscus)
29972
 Show the data Show phenology Common species Eurasian Collared Dove (Streptopelia decaocto)
873
 Show the data Show phenology Common species European Turtle Dove (Streptopelia turtur)
3733
 Show the data Show phenology Common species Common Swift (Apus apus)
10891
 Show the data Show phenology Common species unidentified Martin (Hirundinidae sp.)
616
 Show the data Show phenology Common species Sand Martin (Riparia riparia)
18828
 Show the data Show phenology Common species Barn Swallow (Hirundo rustica)
40785
 Show the data Show phenology Common species Common House Martin (Delichon urbicum)
1677
 Show the data Show phenology Common species Tree Pipit (Anthus trivialis)
570
 Show the data Show phenology Common species Western Yellow Wagtail (Motacilla flava)
678
 Show the data Show phenology Common species Eurasian Golden Oriole (Oriolus oriolus)
197
 Show the data Show phenology Common species European Serin (Serinus serinus)
397
 Show the data Show phenology Common species European Greenfinch (Carduelis chloris)
296
 Show the data Show phenology Common species Common Linnet (Carduelis cannabina)
2900
  Daily total
18
migrants
3
migrants
15
migrants
82
migrants
7
migrants
1
migrant
3
migrants + 1 local
1
migrant
7
migrants
16
migrants
9
migrants
107
migrants
1977
migrants
1
migrant
45
migrants
2522
migrants
594
migrants
1
migrant
40
migrants
5
migrants
18
migrants
5
migrants
4
migrants
 Other species
Total
 Show the data Show phenology Common species Black Scoter (Melanitta nigra)
70
 Show the data Show phenology Common species Western Cattle Egret (Bubulcus ibis)
872
 Show the data Show phenology Common species Short-toed Snake Eagle (Circaetus gallicus)
8
 Show the data Show phenology Common species Osprey (Pandion haliaetus)
31
 Show the data Show phenology Common species Merlin (Falco columbarius)
19
 Show the data Show phenology Common species large unidentified wader (Charadriiformes sp. (...)
1301
 Show the data Show phenology Common species Common Ringed Plover (Charadrius hiaticula)
214
 Show the data Show phenology Common species Grey Plover (Pluvialis squatarola)
419
 Show the data Show phenology Common species Sanderling (Calidris alba)
8
 Show the data Show phenology Common species Dunlin (Calidris alpina)
2095
 Show the data Show phenology Common species Common Redshank (Tringa totanus)
177
 Show the data Show phenology Common species Common Greenshank (Tringa nebularia)
19
 Show the data Show phenology Common species Ruddy Turnstone (Arenaria interpres)
8
 Show the data Show phenology Common species Little Tern (Sternula albifrons)
8
 Show the data Show phenology Common species Whiskered Tern (Chlidonias hybrida)
5
  Daily total
5
migrants
2
migrants
1
migrant
1
migrant
1
migrant
1
migrant
42
migrants
28
migrants
4
migrants
8
migrants
34
migrants
6
migrants
1
migrant
8
migrants
1
migrant
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