Fróðskaparrit - 01.01.2009, Page 186

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RINGING RECOVERIES OF HOUSE SPARROW IN THE FAROE ISLANDS
DURING THE YEARS 1963-2007
Results
A total of 2,167 house sparrows have been
ringed in the Faroes Islands during the years
1963 to 2007 (Table 1). The ringing studies
have been conducted in 12 different places,
scattered over most of the islands, from
Sumba in the south, Mykines in the west and
Viðareiði and Kirkja in the north east (Figure
1). Most of the house sparrows (65%) were
ringed in the village Nólsoy where in total
1,417 birds were ringed duringtheyears 1984
to 2007. Age information is available for 95%
of the house sparrows ringed. Of these, the
great majority (82%) were ringed as juveniles
or adults (Table 2). The sex-ratio was almost
equal: 29% males and 25% females. 46% of
the birds were unsexed.
225 (10%) of the ringed house sparrows
Village Year Number ringed Number recovered
Kirkja 1987 74 0
Viðareiði 1991 78 1
Klaksvík 1999 73 0
Mikladalur 1963 9 0
1966 7 0
1968 4 0
7977 7 0
1987 3 0
Total 78 0
Vestmanna 1967 22 0
1968 3 1
1969 74 2(1)
1972 24 3
1973 27 2
Total 90 8(1)
Mykines 2003 76 0
Nólsoy 7984 55 7
1985 66 4
1986 75 7
7987 59 9
1988 103 13
1989 79 4
7990 80 8
1991 75 4
7992 55 6
7993 47 3
1994 52 4
7995 708 5
7996 89 8
7997 63 5
7998 72 3(1)
1999 46 3
Village Year Number ringed Number recovered
NÓIsoy (continued) 2000 68 1
2001 39 0
2002 64 3
2003 11 0
2004 36 1
2005 11 0
2006 40 1
2007 30 1
Total 7,417 100 (1)
Tórshavn 7968 3 0
7991 17 0
7999 70 0
2002 7 72 66
2004 141 1
Total 283 67
Hoyvlk 7968 12 0
St. Dímun 7993 16 0
1994 8 0
Total 24 0
Tvøroyri 1986 4 0
1987 2 0
1988 9 0
7989 7 0
Total 76 0
Sumba 1987 20 0
1991 9 7
2002 54 9
2004 86 25
2006 54 74
2007 23 0
Total 246 52
Crand total 2,167 225 (2)
Table 1. Number of ringed and recovered house sparrows in different villages on the Faroe Islands during the
years 1963 to 2007. Numbers in parenthesis indicate recoveries outside the village where they were ringed.