The rate of fertilization in male mating tactics of the polygynous grey seal.

Abstract:

:Studies using molecular markers have shown that some grey seal males may be gaining success through exhibiting alternative mating tactics. We estimated the probability of fertilization success of grey seal males exhibiting the primary tactic of female defence and one alternative tactic of mating with departing females on Sable Island, Nova Scotia, Canada, during the breeding seasons of 1997-2002. Although the fertilization rate of the primary tactic (27-43%) was greater than that of the alternative tactic (10-12%), these low rates indicate the potential fitness value of alternative mating tactics in this size-dimorphic pinniped species.

journal_name

Mol Ecol

journal_title

Molecular ecology

authors

Lidgard DC,Boness DJ,Bowen WD,McMillan JI,Fleischer RC

doi

10.1111/j.1365-294X.2004.02334.x

subject

Has Abstract

pub_date

2004-11-01 00:00:00

pages

3543-8

issue

11

eissn

0962-1083

issn

1365-294X

pii

MEC2334

journal_volume

13

pub_type

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