Larus cachinnans in the Netherlands

(last update: August 16, 2020)

Coordinators:
Albert de Jong
Leon Kelder
Roland-Jan Buijs
Thijs Horst
Merijn Loeve
Mars Muusse

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Cachinnans - nest Kinseldam 01

General remarks:

  • Eggs: Volume measured by Stonehouse (1964) and Spaans & Spaans (1975), which make comparison possible with data from Texel (Camphuysen pers comm 16.04.2020).
  • Nest Kinsel 1, 350 mtr from S-point of dam in open vegetation.
  • ID certain in 2026: both are Caspian Gull cachinnans.

Visits and data for nest Kinsel 1 2026.

2026 parent 1 parent 2 A_length A_width A_volume B_length B_width B_volume C_length C_width C_volume
TOTAL NEST:
 # eggs
Kinsel 1 cach cach                  
 
ringed:
date darvic metal location / nest# species sexe age wing tarsus head+ bill bill gonys mass barcode
08-05-2026 Y-0:H .5646699 Nest Kinsel 1 PONT   pullus           115  
08-05-2026 Y-0:J .5646700 Nest Kinsel 1 PONT pullus     100
08-05-2026 Y-0:K .5646701 Nest Kinsel 1 PONT pullus     74
               
OBSERVATIONS:
08-05-2026 pullus 3x ringed.
  parents 2x unringed parents.