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Annual reports : Crêt des Roches, 2023
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 Saturday, July 15th, 2023 until Thursday, November 23rd, 2023

Number of days of migration watch : 107
Number of hours of migration watch : 765h14

Number of birds : 1291180
Thursday  2023 10h00-16h00- Duration : 06h00 
[Display all species]
Waxing Gibbous (10 days) : Moonrise at 14h54 and moonset at 2h47
Sun : sunrise at 07h48 and sunset at 16h49
Day : dawn at 07h14 and dusk at 17h23
 The most significant species
Total
  Show phenology  Great Cormorant (Phalacrocorax carbo)
4425
  Show phenology  Red Kite (Milvus milvus)
11565
  Show phenology  Hen Harrier (Circus cyaneus)
41
  Show phenology  Common Buzzard (Buteo buteo)
1936
  Show phenology  Common Kestrel (Falco tinnunculus)
328
  Show phenology  Common Wood Pigeon (Columba palumbus)
923238
  Show phenology  Eurasian Skylark (Alauda arvensis)
7678
  Show phenology  Meadow Pipit (Anthus pratensis)
776
  Show phenology  Dunnock (Prunella modularis)
146
  Show phenology  Black Redstart (Phoenicurus ochruros)
23
  Show phenology  Redwing (Turdus iliacus)
1958
  Show phenology  Eurasian Blue Tit (Cyanistes caeruleus)
3990
  Show phenology  Great Tit (Parus major)
457
  Show phenology  Common Starling (Sturnus vulgaris)
30215
  Show phenology  unidentified Passerine (Passeriformes sp.)
84344
  Show phenology  Common Chaffinch (Fringilla coelebs)
106582
  Show phenology  Brambling (Fringilla montifringilla)
18958
  Show phenology  European Goldfinch (Carduelis carduelis)
3088
  Show phenology  Eurasian Siskin (Carduelis spinus)
8270
  Show phenology  Hawfinch (Coccothraustes coccothraustes)
3891
  Daily total
32
migrants
391
migrants
1
migrant
173
migrants
1
migrant
16
migrants
23
migrants
4
migrants
1
migrant
2
migrants
6
migrants
97
migrants
16
migrants
10
migrants
59
migrants
21
migrants
879
migrants
7
migrants
40
migrants
1
migrant
 Other species
Total
   unidentified raptor (Falconiformes sp.)
269
   Common Crane (Grus grus)
121
   Northern Lapwing (Vanellus vanellus)
22
  Show phenology  Eurasian Bullfinch (Pyrrhula pyrrhula)
19
  Daily total
1
migrant
57
migrants
5
migrants
3
migrants
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