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Annual reports : Crêt des Roches, 2024
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, August 20th, 2024 until Thursday, October 3rd, 2024

Number of days of migration watch : 43
Number of hours of migration watch : 345h55

Number of birds : 33469
Thursday  2024 08h00-17h00- Duration : 09h00 
[Display all species]
New (0 day) : Moonrise at 8h10 and moonset at 19h15
Sun : sunrise at 07h35 and sunset at 19h07
Day : dawn at 07h05 and dusk at 19h37
 The most significant species
Total
  Show phenology  Great Cormorant (Phalacrocorax carbo)
1143
  Show phenology  Great Egret (Ardea alba)
12
  Show phenology  Black Stork (Ciconia nigra)
78
  Show phenology  Red Kite (Milvus milvus)
2353
  Show phenology  Western Marsh Harrier (Circus aeruginosus)
131
  Show phenology  Eurasian Sparrowhawk (Accipiter nisus)
89
  Show phenology  Common Buzzard (Buteo buteo)
651
  Show phenology  Falcon, unidentified (Falco sp.)
11
  Show phenology  Common Kestrel (Falco tinnunculus)
209
  Show phenology  Stock Dove (Columba oenas)
701
  Show phenology  Common Wood Pigeon (Columba palumbus)
347
  Show phenology  Woodlark (Lullula arborea)
75
  Show phenology  Eurasian Skylark (Alauda arvensis)
23
  Show phenology  Barn Swallow (Hirundo rustica)
4767
  Show phenology  Western House Martin (Delichon urbicum)
8284
  Show phenology  White Wagtail (Motacilla alba)
20
  Show phenology  Dunnock (Prunella modularis)
22
  Show phenology  Black Redstart (Phoenicurus ochruros)
7
  Show phenology  Song Thrush (Turdus philomelos)
211
  Show phenology  Mistle Thrush (Turdus viscivorus)
162
  Show phenology  Common Starling (Sturnus vulgaris)
744
  Show phenology  Passerine, unidentified (Passeriformes sp.)
1012
  Show phenology  Eurasian Chaffinch (Fringilla coelebs)
1308
  Show phenology  European Serin (Serinus serinus)
3
  Show phenology  Hawfinch (Coccothraustes coccothraustes)
199
  Show phenology  Yellowhammer (Emberiza citrinella)
2
  Daily total
37
migrants
+ 9 not going through
1
migrant
267
migrants
5
migrants
15
migrants
48
migrants
2
migrants
89
migrants
21
migrants
143
migrants
1
migrant
1
migrant
2
migrants
42
migrants
1
migrant
3
migrants
1
migrant
47
migrants
40
migrants
250
migrants
309
migrants
455
migrants
2
migrants
6
migrants
1
migrant
 Other species
Total
   Raptor, unidentified (Accipitriformes / Falconi...)
156
   Pigeon, unidentified (Columba sp.)
108
   Lark, unidentified (Alaudidae sp.)
13
   Swallow / Martin, unidentified (Hirundinidae sp...)
3163
   Pipit, unidentified (Anthus sp.)
78
   Northern Raven (Corvus corax)
1
  Daily total
3
migrants
62
migrants + 20 not going through
12
migrants
35
migrants
17
migrants
+ 2 possible migrants
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