Marra, Peter P.

DGI Image Discovery Discovered Image

Color expression in experimentally regrown feathers of an overwintering migratory bird

Content type

Digital Document

Color expression in experimentally regrown feathers of an overwintering migratory bird: Implications for signaling and seasonal interactions

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DGI Image Discovery Discovered Image

Conditions on the Mexican moulting grounds influence feather colour and carotenoids in Bullock’s orioles (Icterus bullockii)

Content type

Digital Document

Conditions on the Mexican moulting grounds influence feather colour and carotenoids in Bullock’s orioles (Icterus bullockii)

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DGI Image Discovery Discovered Image

Plumage brightness predicts non-breeding season territory quality in a long-distance migratory songbird, the American redstart Setophaga ruticilla

Content type

Digital Document

Plumage brightness predicts non-breeding season territory quality in a long-distance migratory songbird, the American redstart Setophaga ruticilla

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DGI Image Discovery Discovered Image

Inter-annual variation in American redstart (Setophaga ruticilla) plumage colour is associated with rainfall and tempurature during moult

Content type

Digital Document

Inter-annual variation in American redstart (Setophaga ruticilla) plumage colour is associated with rainfall and tempurature during moult: An 11-year study

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DGI Image Discovery Discovered Image

Moult migration in Bullock's orioles (Icterus bullockii) confirmed by geolocators and stable isotope analysis

Content type

Digital Document

Moult migration in Bullock's orioles (Icterus bullockii) confirmed by geolocators and stable isotope analysis

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DGI Image Discovery Discovered Image

Relationships between carotenoid-based female plumage and age, reproduction, and mate colour in the American Redstart (Setophaga ruticilla)

Content type

Digital Document

Relationships between carotenoid-based female plumage and age, reproduction, and mate colour in the American Redstart (Setophaga ruticilla)

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DGI Image Discovery Discovered Image

Age-related change in carotenoid-based plumage of the American Redstart (Setophaga ruticilla)

Content type

Digital Document

Origin Information

DGI Image Discovery Discovered Image

Hydrogen isotopic variation in migratory bird tissues of known origin

Content type

Digital Document

Hydrogen isotopic variation in migratory bird tissues of known origin: Implications for geographical assignment

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Default image for the object Delayed maturation of multiple signals in a migratory songbird, object is lacking a thumbnail image

Content type

Digital Document

Delayed maturation of multiple signals in a migratory songbird

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DGI Image Discovery Discovered Image

Carotenoid-based male plumage predicts parental investments in the American redstart

Content type

Digital Document

Carotenoid-based male plumage predicts parental investments in the American redstart

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DGI Image Discovery Discovered Image

Climate and density influence annual survival and movement in a migratory songbird

Content type

Digital Document

Climate and density influence annual survival and movement in a migratory songbird

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DGI Image Discovery Discovered Image

Extra-pair offspring are less heterozygous than within-pair offspring in American redstarts Setophaga ruticilla

Content type

Digital Document

Extra-pair offspring are less heterozygous than within-pair offspring in American redstarts Setophaga ruticilla

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DGI Image Discovery Discovered Image

Density-dependent immigration promotes population stability in a long-distance migratory bird

Content type

Digital Document

Density-dependent immigration promotes population stability in a long-distance migratory bird

Origin Information

DGI Image Discovery Discovered Image

Patterns of migratory connectivity in Vaux’s Swifts at a northern migratory roost: a multi- isotope approach

Content type

Digital Document

Patterns of migratory connectivity in Vaux’s Swifts at a northern migratory roost: a multi- isotope approach

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DGI Image Discovery Discovered Image

An annual cycle approach to studying Bullock's Orioles

Content type

Digital Document

An annual cycle approach to studying Bullock's Orioles: Examining infraspecific variation in moult-migration and the influence of primary productivity on breeding abundance

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