11/14/2012 1
- male
female rainforest spider
- male
elephant seals
- !
" # $
- %
- %&
- Quote from “Descent of Man” by C. Darwin
11/14/2012 - - PDF document
11/14/2012
female rainforest spider
elephant seals
copulations
%
male
.
/$ 0$$
780 080 8$09+
% Eggs fertilized
Time in copula (min) Search & guard time ( 156. 5 min)
!" !# ! !$
% % %"
'()(*
'
//
"
//
$
//
!
// //
'
//
"
//
$
//
!
// //
.0.05 .0.03 .0.01 0.01 0.03 0.05 0.07
3 6 9 12
Laura Conner and D. Papaj, unpubl.
'
//
"
//
$
//
!
// //
Kenneth M. Gale, Bugwood.org Kenneth M. Gale, Bugwood.org
Tursiops species in Shark Bay, Western Australia
BUT ARE COALITIONS MADE UP OF LOW-RANKING MALES? WE DON’T KNOW…
1
Territorial Resident white male Satellite dark male Marginal male
#2 !"0 %% !"0 80!"0
/ !" /
*+ ,(
/* 01++*0 2(* 34 5+
E!*
*+ ,(
/* 01++*0 *+*** 0* 2(* ***- 6 34 5+ 7***-
http://www.youtube.com/watch?v=YkSdLk3M5ew http://bio.research.ucsc.edu/~barrylab/classes/animal_behavio r/video_only.html
3 @ H IH 2HH
7 E
;
7;:
7
1 A.B
)1"
Also in rheas and red phalaropes (VIDEO)
3,*(8 39+0+ ,*8: ;8*+ 8-(+