Fróðskaparrit - 01.01.1991, Page 46

50
STUDIES ON THE LONG-FINNED PILOT WHALE
Table 6. Adult female and male ratio of long-finned pilot whales off the Faroes Islands.
Date Size of grind M A L E S F E M A L E S
No. Adult % ad.íí of grind % ad.<í đ oflđđ No. Adult % ad.S S of grind % ad. S $ ofZSS
20/10/78 73 26 15 20,5 57,7 47 30 41,1 63,8
02/11/78 48 22 8 16,7 35,4 26 19 39,6 73,1
28/08/79 121 50 21 17,4 42,0 71 53 43,8 74,6
07/09/83 95 37 16 16,8 43,2 58 40 42,1 69,0
21/08/84 54 20 6 11,1 30,0 34 24 44,4 70,6
04/09/84 24 9 1 4,2 11,1 15 11 45,8 73,3
18/09/84 31 17 9 29,0 52,9 14 13 41,9 92,9
29/01/85 95 42 4 4,2 9,5 53 34 35,8 64,2
N 541 223 80 318 224
Table 7. Sex ratio of long-finned pilot whales off the Faroe Islands and New Foundland (Ser-
geant, 1962) collected from different examinations in different years.
Year No. of No. of No. of Male Area Source
whales pods males %
1883 1624 8 545 33.6 Far. Isl. Miiller, 1884
1952-1957 4603 ? 1825 39.6 New F. Sergeant, 1962
1962 190 2 76 40.0 Far. Isl. Joensen, 1962
1962-1978 556 5 221 39.8 Far. Isl. Moore et al, 1979
1978-1985 552 8 236 42.8 Far. Isl. present study
1952-1985 5901 2358 40.0 1952-1985 pooled
Table 8. Reproductive states in female long-finned pilot whales off the Faroe Islands.
N = 236.
Date No. of No. of No. of No. of No. of
females ad. pregnant lactating whales in
females females % senescence
21/08/58 65 44 10 15
13/07/60 11 2 1 9
07/08/61 24 14 2 8
28/08/63 41 28 14 34
02/11/78 26 19 6 23
21/08/84 36 27 43 18 10 2
04/09/84 16 6 44 25 5
18/09/84 17 13 6 35 6 1