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Record #164384:

Sex and age dependency of wing patch size in brown skuas / Steffen Hahn, Hans-Ulrich Peter.

Title: Sex and age dependency of wing patch size in brown skuas / Steffen Hahn, Hans-Ulrich Peter.
Author(s): Hahn, Steffen.
Peter, Hans-Ulrich.
Date: 2003.
In: Emu. (2003.), Vol. 103(1) (2003)
Abstract: Investigates relationship between wing patch characteristics and individual traits of 118 brown skuas at Potter Peninsula, King George Island, South Shetland Islands, Antarctica, from 1998-2001. Patch size was sex dependent, females having larger patches. Age and patch size were positively correlated, size increasing up to 13 years. Neither body condition or reproductive success of breeding birds was related to patch size, but breeding birds of both sexes had larger wing patches than non-breeding birds. Discusses hypothesis that wing patches in Catharacta antarctica lonnbergi act as signals for reproductive ability but not as ornaments coding individual quality for body condition and reproductive performance.
Notes:

Emu. Vol. 103(1) :37-41 (2003).

Keywords: 598.2 -- Birds.
598.423 -- Stercorariidae: Catharacta antarctica lonnbergi.
591.551 -- Animals, breeding behaviour.
591.16 -- Animal reproduction.
591.157 -- Colour variation.
H5 -- Zoology: birds.
(*7) -- Antarctic regions.
(*726.1) -- South Shetland Islands.
(*726.14) -- King George Island group.
SPRI record no.: 164384

MARCXML

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100 1# ‡aHahn, Steffen.
245 10 ‡aSex and age dependency of wing patch size in brown skuas /‡cSteffen Hahn, Hans-Ulrich Peter.
260 ## ‡a[S.l.] :‡b[s.n.],‡c2003.
300 ## ‡ap. 37-41 :‡bdiags.
500 ## ‡aEmu. Vol. 103(1) :37-41 (2003).
520 3# ‡aInvestigates relationship between wing patch characteristics and individual traits of 118 brown skuas at Potter Peninsula, King George Island, South Shetland Islands, Antarctica, from 1998-2001. Patch size was sex dependent, females having larger patches. Age and patch size were positively correlated, size increasing up to 13 years. Neither body condition or reproductive success of breeding birds was related to patch size, but breeding birds of both sexes had larger wing patches than non-breeding birds. Discusses hypothesis that wing patches in Catharacta antarctica lonnbergi act as signals for reproductive ability but not as ornaments coding individual quality for body condition and reproductive performance.
650 07 ‡a598.2 -- Birds.‡2udc
650 07 ‡a598.423 -- Stercorariidae: Catharacta antarctica lonnbergi.‡2udc
650 07 ‡a591.551 -- Animals, breeding behaviour.‡2udc
650 07 ‡a591.16 -- Animal reproduction.‡2udc
650 07 ‡a591.157 -- Colour variation.‡2udc
650 07 ‡aH5 -- Zoology: birds.‡2local
651 #7 ‡a(*7) -- Antarctic regions.‡2udc
651 #7 ‡a(*726.1) -- South Shetland Islands.‡2udc
651 #7 ‡a(*726.14) -- King George Island group.‡2udc
700 1# ‡aPeter, Hans-Ulrich.
773 0# ‡7nnas ‡tEmu. ‡gVol. 103(1) (2003) ‡wSPRI-44110
917 ## ‡aUnenhanced record from Muscat, imported 2019
948 3# ‡a20221001