fr
de
it
en
es
nl
 Visitor Anonymous 
Homepage
Data base
 - 
Homepage data base
 - 
Our charter
  Sightings
    - 
Annual reports
  Galleries
    - 
All pictures
  Stats
Migration sites
Resources and links
The Migration Study Group
Our partners
Annual reports : Banc de l'Ilette , 2017
Watchpoint
Graphs
News
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, July 19th, 2017 until Wednesday, November 8th, 2017

Number of days of migration watch : 33
Number of hours of migration watch : 112h10

Number of birds : 242325
Wednesday  2017 07h45-10h00- Duration : 02h15 
[Display all species]
Waning Gibbous (19 days) : Moonrise at 21h28 and moonset at 12h26
Sun : sunrise at 07h57 and sunset at 17h18
Day : dawn at 07h22 and dusk at 17h53
Comments :
07h45-10h00 : Site du Crotoy. Météo : nébulosité 8/8, temperature 5 ℃, Vent SE 1/2 -> nul/variable (est), averses très légères Observateur : Alexander Hiley
 The most significant species
Total
  Show phenology  Great Egret (Casmerodius albus)
189
  Show phenology  European Golden Plover (Pluvialis apricaria)
139
  Show phenology  Northern Lapwing (Vanellus vanellus)
1057
  Show phenology  Common Wood Pigeon (Columba palumbus)
17201
  Show phenology  Great Spotted Woodpecker (Dendrocopos major)
92
  Show phenology  Eurasian Skylark (Alauda arvensis)
733
  Show phenology  Meadow Pipit (Anthus pratensis)
3752
  Show phenology  Common Blackbird (Turdus merula)
275
  Show phenology  Fieldfare (Turdus pilaris)
1233
  Show phenology  Song Thrush (Turdus philomelos)
2567
  Show phenology  Redwing (Turdus iliacus)
11692
  Show phenology  Mistle Thrush (Turdus viscivorus)
559
  Show phenology  Common Chiffchaff (Phylloscopus collybita)
23
  Show phenology  Long-tailed Tit (Aegithalos caudatus)
201
  Show phenology  Eurasian Blue Tit (Cyanistes caeruleus)
1844
  Show phenology  Great Tit (Parus major)
295
  Show phenology  Common Starling (Sturnus vulgaris)
63034
  Show phenology  Eurasian Chaffinch (Fringilla coelebs)
112218
  Show phenology  Brambling (Fringilla montifringilla)
4270
  Show phenology  Hawfinch (Coccothraustes coccothraustes)
1817
  Show phenology  Common Reed Bunting (Emberiza schoeniclus)
354
  Daily total
1
migrant
40
migrants
79
migrants
51
migrants
1
migrant
2
migrants
9
migrants
134
migrants
241
migrants
30
migrants
3229
migrants
1
migrant
1
migrant
3
migrants
18
migrants
2
migrants
1133
migrants
755
migrants
49
migrants
6
migrants
3
migrants
 Other species
Total
   unidentified duck (Anatidae sp.)
13
   Eurasian Wigeon (Mareca penelope)
18
   Mallard (Anas platyrhynchos)
2
   Northern Pintail (Anas acuta)
7
  Daily total
13
migrants
2
migrants
2
migrants
2
migrants
Visionature
VisioNature est un outil développé avec la collaboration du réseau LPO. Grâce aux technologies Internet, débutants, amateurs et professionnels naturalistes, peuvent partager en temps réel leur découverte et ainsi améliorer la connaissance et la protection de la faune

Biolovision Sàrl (Switzerland), 2003-2024