The throat badge as a status signal in juvenile male willow titsParus montanus

Hogstad, Olav; Kroglund, Rolf Terje

doi:10.1007/bf01639832

Cited by 21 publications

(1 citation statement)

References 20 publications

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“…The evidence for sexual dimorphism in the extent of the black throat patch, although limited, is unsurprising given the well-established sex-related variation in this character found in other Parids (e.g. Coal Tit (King and Griffiths, 1994), Willow Tit (Hogstad and Kroglund 1993)), and justifies some further research.…”

Section: Discussionmentioning

confidence: 98%

Ageing and sexing Marsh TitsParus palustris

King¹,

Muddeman²

1995

Ringing & Migration

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The presence or absence of juvenile greater coverts and the shape of tail feathers were not found to be reliable ageing characters in a population of Marsh Tits in which juveniles usually replaced all the greater coverts and occasionally all of the tail feathers. Two additional characters, iris colour and primary covert shape, were found to be useful for ageing, and were checked with known-age Marsh Tits (both captive and wild) and with known-age individuals of other tit species. Sexual dimorphism is marked for wing-length and bill-length, though the former is most useful for sexing as it shows less seasonal variation. Using wing-length 63.5 mm = male and 62 mm = female gives 95% accuracy for sexing full-grown Marsh Tits throughout the year in the study population. There is some evidence for limited sexual dimorphism of bib size in Marsh Tits.

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Section: Discussionmentioning

confidence: 98%

Ageing and sexing Marsh TitsParus palustris

King¹,

Muddeman²

1995

Ringing & Migration

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Status signalling, metabolic rate and body mass in the siskin: the cost of being a subordinate

et al. 2000

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A Red Bird in a Brown Bag

Hill

2002

245

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The House Finch is among the most mundane birds, so ubiquitous and familiar across the U.S. and Canada that it does not rate a glance from most bird enthusiasts. But males have carotenoid-based plumage coloration that varies markedly among individuals, making the House Finch a model species for studies of the function and evolution of colorful plumage. In more depth and detail than has been attempted for any species of bird, this book takes a tour of the hows and whys of ornamental plumage coloration. The book begins by reviewing the history of the study of colorful plumage, which began in earnest with the debates of Darwin and Wallace but which was largely forgotten by the middle of the 20th century. Documenting the extensive plumage variation among males both within and between populations of House Finches, the book explores the mechanisms behind plumage variation and looks at the fitness consequences of condition-dependent ornament display for both males and females. The book concludes by examining the processes by which carotenoid-based ornamental coloration may have evolved.

show abstract

The throat badge as a status signal in juvenile male willow titsParus montanus

Cited by 21 publications

References 20 publications

Ageing and sexing Marsh TitsParus palustris

Ageing and sexing Marsh TitsParus palustris

Status signalling, metabolic rate and body mass in the siskin: the cost of being a subordinate

A Red Bird in a Brown Bag

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