Larus cachinnans in the Netherlands

(last update: August 16, 2020)
Coordinator:
Albert de Jong
Merijn Loeve
Roland-Jan Buijs
Thijs Horst
Leon Kelder
Mars Muusse

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Project Info
Location Lelystad
Location De Kreupel
2019 Lelystad
2020 Lelystad
2021 Lelystad
Coded nests Lelystad
2020 De Kreupel
2021 De Kreupel
Coded nests De Kreupel
All ring codes 2020
All ring codes 2021

Lelystad 2020:
nest 001
nest 002 yPNED
nest 003
nest 005 yPLDP
nest 006 yPESV
nest 008 gXLDT
nest 009
nest 011
nest 012
nest 013
nest 014
nest 015
nest 016
nest 017
nest 018
nest 021
nest 025
nest 027
nest 028
nest 029
nest 031
nest 032
nest 033
nest 034
nest 035
nest 036
nest 037
nest 038
nest 039
pair A
pair B

Lelystad 2021
nest y-PNED
nest y-PLDP
nest y-PHSV
nest y-P:A02
nest y-P:U60
nest zy-MT
nest r-FB
nest r-FC
nest 001
nest 003
nest 006
nest 011
nest 012
nest 013
nest 014
nest 015
nest 016B
nest 017
nest 018
nest 019
nest 021
nest 034
nest 035
nest 038
nest 040
nest 041
nest 042
nest 044
nest 045
nest 046
nest 047
nest 048
nest 053
nest 055
nest 056
nest 058
nest 060
nest 062
nest 063
nest 065
nest 066
nest 067
nest 072

Caspian Gull cachinnans F.3 1CY, June 26 2021, Lelystad, the Netherlands. Picture: Jeroen Nagtegaal & Mars Muusse.

Tibia R-F3 and metal NLA 5.550.699, ringed as pullus Caspian Gull Larus cachinnans on June 26 2021 at nest 43 in colony Lelystad, the Netherlands (NL 5230.00 N 525.00 E), ringer Jeroen Nagtegaal.

Recoveries:
12-5-2022 Alkmaar (Vuiloverslag), Noord-Holland, NL 5.236,00 N 445,00 E colourring read Dook Vlugt
20-7-2022 Markermeer (Trintelzand), Flevoland, NL 5.238,00 N 522,00 E colourring read Jan van der Winden

Visits and data:

date:                  
28-05-2021 Decided to put out a cage to trap a breeding adult here. Successful. Adult male cachinnans trapped today.
  2 eggs in nest.              
  egg no: width (mm) length (mm) volume (cm3):  water test on May 28th:         
  A egg 74,5 50,4 95,28 90 - floating 2 mm        
  B egg 66,4 46,5 72,29 90 - floating 2 mm        
  sum nest: --          
  metal tibia mass (gr) head + bill (mm) wing (mm) tarsus (mm) bill (mm) gonys (mm)
  adult .6213012 r-F.C 1332 135,6 464 71 66 19,3
   
08-06-2021 2 partners at nest. Male guarding at blocks. Large female at nest. 3 meters to the west is LBBG nest (also behind trunk).
   
    metal tibia mass (gr) head + bill (mm) wing (mm)  
26-06-2021 pullus .5550699 r-F.3 714 98,3 151 cachinnans
  pullus .5550700 r-F.4 466 87,2 110 cachinnans

below: Caspian Gull cachinnans F.3 1CY, June 26 2021, Lelystad, the Netherlands. Picture: Jeroen Nagtegaal & Mars Muusse.