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Annual reports : Falaise Bloucard, 2021
Watchpoint
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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, August 14th, 2021 until Friday, October 29th, 2021

Number of days of migration watch : 9
Number of hours of migration watch : 53h00

Number of birds : 38431
Friday  2021 09h00-13h30- Duration : 04h30 
[Display all species]
Waning Crescent (23 days) : No moonset, moonrise at 16h19
Sun : sunrise at 08h31 and sunset at 18h27
Day : dawn at 07h57 and dusk at 19h01
Comments :
09h00-13h30 : Observateurs HM de 9h00 à 13h30 vent 15km/h 45km/h ciel bleu 11° à 14° Bonne visibilité ciel bleu à couvert en fin de séance
 The most significant species
Total
  Show phenology  Great Cormorant (Phalacrocorax carbo)
286
  Show phenology  Hen Harrier (Circus cyaneus)
1
  Show phenology  Eurasian Sparrowhawk (Accipiter nisus)
2
  Show phenology  Common Kestrel (Falco tinnunculus)
-
  Show phenology  Black-headed Gull (Chroicocephalus ridibundus)
49
  Show phenology  Stock Dove (Columba oenas)
44
  Show phenology  Common Wood Pigeon (Columba palumbus)
23790
  Show phenology  Eurasian Skylark (Alauda arvensis)
39
  Show phenology  Meadow Pipit (Anthus pratensis)
26
  Show phenology  White Wagtail (Motacilla alba)
64
  Show phenology  Song Thrush (Turdus philomelos)
117
  Show phenology  Redwing (Turdus iliacus)
219
  Show phenology  Eurasian Blue Tit (Cyanistes caeruleus)
268
  Show phenology  Great Tit (Parus major)
188
  Show phenology  Western Jackdaw (Coloeus monedula)
53
  Show phenology  Common Starling (Sturnus vulgaris)
169
  Show phenology  Eurasian Chaffinch (Fringilla coelebs)
12451
  Show phenology  Brambling (Fringilla montifringilla)
61
  Daily total
8
migrants
+ 1 local
+ 1 local
+ 2 local
5
migrants
6
migrants
5500
migrants
3
migrants
4
migrants
3
migrants
16
migrants
37
migrants
120
migrants
155
migrants
2
migrants
27
migrants
5400
migrants
5
migrants
 Other species
Total
  Daily total
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