Larus cachinnans in the Netherlands

(last update: August 16, 2020)

Coordinator:
Albert de Jong
Merijn Loeve
Roland-Jan Buijs
Leon Kelder
Mars Muusse

Home

Cachinnans - nest De Kreupel L07 21

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 on island "L". Nest coded "L07" in season 2021.
pulli: June 11th, 2021: pullus r[B.A]. June 11th, 2021: pullus r[B.A]. June 11th, 2021: pullus r[B.A].
 
  June 11th, 2021: pullus r[B.B]. June 11th, 2021: pullus r[B.B]. June 11th, 2021: pullus r[B.B].
 

Visits and data.

Date: details:          
11-6-2021 2 pulli in nest. metal: tibia: mass (gr): head + bill: wing:
Prey: Roach 2x. NLA 5.556.784 Red B.A 892 108.8 216.5
https://waarneming.nl/observation/216987781/ NLA 5.556.785 Red B.B 900 104.4 185.5
         
25-6-2021 1 chick outside nest. metal: tibia: mass (gr): head + bill: wing:
    NLA 5.556.785 Red B.B 1204 122.7 316.0