Search results for "Alcidae"

showing 5 items of 5 documents

How partnerships end in guillemots Uria aalge : chance events, adaptive change, or forced divorce?

2007

Divorce in socially monogamous species can result from different mechanisms, for example, chance events, active desertion of the partner, or the intrusion of a third individual ousting the partner. We compared the predictions associated with such mechanisms with data from common guillemots (Uria aalge) breeding on the Isle of May, Scotland. The data cover the years 1982--2005 and show a yearly divorce rate of 10.2%. In most divorces (86%), one of the original partners moved to another breeding site, whereas the other bird stayed and bred with a new partner. On average, movers had a significantly lower breeding success after divorce, stayers were largely unaffected, whereas the incoming bird…

0106 biological sciencesreunification rateEcologycommon guillemots05 social sciencesAdaptive changeBiologybiology.organism_classification010603 evolutionary biology01 natural sciencesforced divorceIntrusionauks (Alcidae)pair bondscommon murresAccidentalUria aalge0501 psychology and cognitive sciencesAnimal Science and Zoology050102 behavioral science & comparative psychologyNegative correlationEcology Evolution Behavior and SystematicsDemographyDiversity (business)
researchProduct

Gavot, Alca común (VER0000114)

Altres noms vulgars: Razorbill (Anglès), Petit Pingouin (Francès), Tordalk (Alemany) Gabinet de Vertebrats (Departament de Zoologia), Facultat de Ciències Biològiques (Campus de Burjassot), C/ Doctor Moliner, s/n, Bloque B. 5é plant, Burjassot (Valencia). Armari: 12-1

Alca torda (Linnaeus 1758)AlcidaeLimícolas y gaviotas
researchProduct

Gavot, Alca común (VER0000235)

Razorbill (Anglès), Petit Pingouin (Francès), Tordalk (Alemany) Gabinet de Vertebrats (Departament de Zoologia), Facultat de Ciències Biològiques (Campus de Burjassot), C/ Doctor Moliner, s/n, Bloque B. 5é plant, Burjassot (Valencia). Armari: 11-1 Puerto

Alca torda (Linnaeus 1758)AlcidaeLimícolas y gaviotas
researchProduct

Fraret, Frailecillo (VER0000113)

Altres noms vulgars: Atlantic Puffin (Anglès), Macareux moine (Francès), Papageitaucher (Alemany) Gabinet de Vertebrats (Departament de Zoologia), Facultat de Ciències Biològiques (Campus de Burjassot), C/ Doctor Moliner, s/n, Bloque B. 5é plant, Burjassot (Valencia). Armari: 12-1 Costa valenciana Invierno arctica _

Fratercula arctica (Linnaeus 1758)AlcidaeLimícolas y gaviotas
researchProduct

Gavot, Alca común (VER0000115)

1967

Altres noms vulgars: Razorbill (Anglès), Petit Pingouin (Francès), Tordalk (Alemany) Gabinet de Vertebrats (Departament de Zoologia), Facultat de Ciències Biològiques (Campus de Burjassot), C/ Doctor Moliner, s/n, Bloque B. 5é plant, Burjassot (Valencia). Armari: 12-1 Juvenil Invierno torda _

Alca torda (Linnaeus 1758)AlcidaeLimícolas y gaviotas
researchProduct