University:
Amherst College
Course:
BIOL 220 | Developmental Biology
Academic year:

2011
Views:

116

Pages:

9
Author:

hys4t7r6

Leks Classical lek: males display in sight of each other Exploded lek: males rely on vocal communication, e.g. kakapo Leks High variance in male mating success – 10-20% males achieve >50% copulations – one male got 75% copulations wire-tailed manakin Leks • Hotshots – Females attracted to lek by dominant male Leks • Hotshots – Females attracted to lek by dominant male • Hotspots – Leks located in high-use areas Leks • Hotshots – Females attracted to lek by dominant male • Hotspots – Leks located in high-use areas • Female preferences – Females prefer large groups of males Leks Position of most successful male territory shifts (hot shot?) black grouse Removal of dominant male may cause lek to shift, disband Leks Lek placement varies with respect to female density (hot spot??) Paradox of the lek How is genetic variation maintained? Hamilton and Zuk Rowe and Houle Paradox of the lek If females mate once, why do leks form?

Mating Systems and Parental Investment Part 2

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