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Grote sterns Sterna sandvicensis verwijderen eischalen en dode kuikens uit de kolonie = Sandwich terns remove egg shells and dead chicks from the colony
Stienen, E.W.M.; Brenninkmeijer, A.; Van Tienen, P.G.M. (1997). Grote sterns Sterna sandvicensis verwijderen eischalen en dode kuikens uit de kolonie = Sandwich terns remove egg shells and dead chicks from the colony. Sula 11(1): 24-25
In: Sula: tijdschrift van de Nederlandse Zeevogelgroep. Nederlandse Zeevogelgroep: Scheveningen; Oudeschild, Texel; Zeist. ISSN 0926-132X, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • Stienen, E.W.M., more
  • Brenninkmeijer, A., more
  • Van Tienen, P.G.M.

Abstract
    Observations of Sandwich Terns removing eggshell fragments are reported. On one occasion a dead chick was seen to be carried away from the colony. This is not a common behaviour in Sandwich Terns, but it seems to be functional because eggshells and dead chicks may attract predators and may be a source of infections.

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