TY - JOUR
T1 - Sex differences in incubation behaviour but not mortality risk in a threatened shorebird
AU - Burns, F.
AU - Mcculloch, N.
AU - Dos Remedios, N.
AU - Bolton, M.
AU - Szekely, T.
PY - 2013/10
Y1 - 2013/10
N2 - Sex-related variation in survival is common in birds and, as it influences effective population size and population growth, is important for conservation and species management. Here we assessed incubation behaviour and sex-related survival in a threatened sexually monomorphic shorebird, the St Helena Plover Charadrius sanctaehelenae. Males incubated at night, the period of highest activity of cats, which are likely to be predators of breeding birds. In spite of behavioural differences between the sexes, adult survival was not significantly different between males and females, suggesting that sex-biased behaviour need not lead to sex-related survival, and thus behavioural differences may not impact upon the adult sex ratio.
AB - Sex-related variation in survival is common in birds and, as it influences effective population size and population growth, is important for conservation and species management. Here we assessed incubation behaviour and sex-related survival in a threatened sexually monomorphic shorebird, the St Helena Plover Charadrius sanctaehelenae. Males incubated at night, the period of highest activity of cats, which are likely to be predators of breeding birds. In spite of behavioural differences between the sexes, adult survival was not significantly different between males and females, suggesting that sex-biased behaviour need not lead to sex-related survival, and thus behavioural differences may not impact upon the adult sex ratio.
UR - http://www.scopus.com/inward/record.url?scp=84880630563&partnerID=8YFLogxK
UR - http://dx.doi.org/10.1111/ibi.12071
U2 - 10.1111/ibi.12071
DO - 10.1111/ibi.12071
M3 - Article
SN - 0019-1019
VL - 155
SP - 877
EP - 880
JO - Ibis
JF - Ibis
IS - 4
ER -