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Annual reports : Pointe du Hoc, 2023
Watchpoint
Graphs
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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 Wednesday, June 21st, 2023 until Monday, December 18th, 2023

Number of days of migration watch : 136
Number of hours of migration watch : 352h00

Number of birds : 108421
Monday  2023 09h00-10h30- Duration : 01h30 
[Display all species]
Waxing Crescent (5 days) : Moonrise at 13h01 and moonset at 23h47
Sun : sunrise at 08h55 and sunset at 17h06
Day : dawn at 08h17 and dusk at 17h43
 The most significant species
Total
  Show phenology  Brant Goose (Branta bernicla)
20112
  Show phenology  Common Shelduck (Tadorna tadorna)
3583
  Show phenology  Eurasian Teal (Anas crecca)
1159
  Show phenology  Northern Shoveler (Spatula clypeata)
845
  Show phenology  Black Scoter (Melanitta nigra)
12414
  Show phenology  Velvet Scoter (Melanitta fusca)
52
  Show phenology  Red-throated Loon (Gavia stellata)
1221
  Show phenology  Northern Gannet (Morus bassanus)
11112
  Show phenology  Black-legged Kittiwake (Rissa tridactyla)
832
  Daily total
2
migrants
39
migrants
1
migrant
12
migrants
3
migrants + 1 reverse migrant
2
migrants
7
migrants
57
migrants + 7 reverse migrants
3
migrants
 Other species
Total
  Show phenology  Common Pochard (Aythya ferina)
6
  Daily total
1
migrant
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