Better stay together: pair bond duration increases individual fitness independent of age-related variation

O Sánchez-Macouzet… - Proceedings of the …, 2014 - royalsocietypublishing.org
Prolonged pair bonds have the potential to improve reproductive performance of socially
monogamous animals by increasing pair familiarity and enhancing coordination and …

[HTML][HTML] Divorce and infidelity are associated with skewed adult sex ratios in birds

A Liker, RP Freckleton, T Székely - Current Biology, 2014 - cell.com
Adult sex ratio (ASR) is a fundamental concept in population demography, and recent theory
suggests that ASR plays a central role in social behavior, mating systems, and parental care …

No evidence of immediate fitness benefits of within-season divorce in monogamous birds

A Culina, L Brouwer - Biology letters, 2022 - royalsocietypublishing.org
Individuals of socially monogamous species can correct for suboptimal partnerships via two
secondary mating strategies: divorce and extra-pair mating, with the former potentially …

Incest avoidance, extrapair paternity, and territory quality drive divorce in a year-round territorial bird

N Hidalgo Aranzamendi, ML Hall, SA Kingma… - Behavioral …, 2016 - academic.oup.com
Divorce can be an important behavioral strategy to improve fitness. This is particularly
relevant for species that are territorial year-round with continuous partnerships, where …

Habitat structure and colony structure constrain extrapair paternity in a colonial bird

AG Ramos, SO Nunziata, SL Lance, C Rodríguez… - Animal Behaviour, 2014 - Elsevier
Individual variation in sexual fidelity and extrapair paternity (EPP) is widely attributed to
environmental heterogeneity, but the only variables known to be influential are food …

Males do not always switch females when presented with a better reproductive option

M Galipaud, L Bollache, A Oughadou… - Behavioral …, 2015 - academic.oup.com
Paired individuals are expected to leave their current partner for newly encountered ones of
higher quality. In such cases, animals should therefore be able to compare the quality of …

Delayed dispersal and immigration in equatorial sakis (Pithecia aequatorialis): Factors in the transition from pair-to group-living

AM Porter, MN Grote, LA Isbell… - Folia …, 2017 - karger.com
Saki monkeys (Pithecia spp.) live in pairs and small groups, sometimes with more than 1
same-sex adult. Previous studies have not been able to distinguish additional, unrelated …

Female infidelity is constrained by El Niño conditions in a long‐lived bird

LM Kiere, H Drummond - Journal of Animal Ecology, 2016 - Wiley Online Library
Explaining the remarkable variation in socially monogamous females' extrapair (EP)
behaviour revealed by decades of molecular paternity testing remains an important …

No evidence that genetic compatibility drives extra‐pair behavior in female blue‐footed boobies

LM Kiere, AG Ramos, H Drummond - Journal of Avian Biology, 2016 - Wiley Online Library
The function of female birds' extra‐pair (EP) behavior has remained an unresolved question
in ornithology and behavioral ecology for> 30 yr. The genetic compatibility hypothesis (GCH) …

Extrapair behaviour reveals flexible female choosiness and mixed support for classic good genes in blue-footed boobies

LM Kiere, H Drummond - Animal Behaviour, 2014 - Elsevier
The good genes hypothesis has long been a major focus of research on the function of
extrapair (EP) behaviour by socially monogamous females. It predicts that females should …