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hatching asynchrony
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ALTRICIAL BIRDS
ANTIBODY TRANSMISSION
Article
BARNACLE GEESE
BIRDS
BROOD REDUCTION
GALLUS-DOMESTICUS
LARUS-RIDIBUNDUS
NESTLINGS
RED-WINGED BLACKBIRD
SEX-RATIO
SEXUAL-DIFFERENTIATION
SURVIVAL
TESTOSTERONE
TRADE-OFFS
WITHIN-CLUTCH
YOLK
YOLK ANDROGENS
black-headed gull
carotenoids
chick growth
egg quality
immune function
immunoglobulin
maternal effects
maternal hormones
parental investment