Adaptive Plumage Traits Colour, 264–267, 279 Number of Spots, 275
Cambridge University Press 978-1-107-16575-5 — Barn Owls Alexandre Roulin Index More Information INDEX adaptive plumage traits heritability, 86 colour, 264–267, 279 length, 83, 85, 89 number of spots, 275–277, 279 biological pest control, 30–31, 40–41 size of spots, 262, 268–274, 279 body mass, adult adoption, 197, 198 adaptation to light, 75, 80, 93, 107, see also nest switching 109, 264 age structure, 231 age, 193 aggression towards humans, 63 breeding failure, 34 agriculture, 21–22, 26, 30–31, 37–38, 40, 45, carrying prey, 75, 93 104–105 food deprivation, 77, 80 albinism, 241 incubation, 156 allopreening manoeuvrability, 75 adult, 219 melanin-based plumage trait, 270 anti-parasite, 58, 219, 220 pellet production, 74, 75 exchange of commodities, 220 reproduction, 191–193 massage, 220 sexual dimorphism, see sexual nestlings, 3, 200, 216, 219, 220 dimorphism reciprocation, 219, 220 wing loading, 107, 109 timing, 200 body mass, nestling altruism, 217, 266 food supply, 174 anthropocentrism, 28–29 growth, 166, 173–175 anthropogenic environments, 21–22, 23, 26 maternal nest desertion, 180 see also human structures melanin-based plumage traits, 258, anti-parasite adaptations, 56, 58, 59 270, 271 anti-predator behaviour, 63–64, 270 overshoot, 173, 174 assortative pairing, 258, 259 rain, 174 asynchrony, see hatching asynchrony recession, 173, 174 autosome, 247, 253 second brood, 177 sexual dimorphism, 90 begging behaviour, 185–187, 190, 203–209, body size, 82–87 210–214 efect of parental feeding rate, 86 escalating, 211 foraging, 89 hunger level,
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