SelectedWorks - Michael P Lombardo

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Selected Works of Michael P Lombardo

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About Michael P Lombardo

Present	Faculty Member, Grand Valley State University
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Ecology and Evolutionary Biology, Behavior and Ethology, and Evolution

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Access to Mutualistic Endosymbiotic Microbes: An Underappreciated Benefit of Group ...

Peer Reviewed Publications (2008)

Michael P Lombardo

"The original publication is available at www.springerlink.com" A central question in behavioral ecology has been why animals live in groups. ...

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Repeated Sampling Affects Tree Swallow Semen Characteristics

Peer Reviewed Publications (2004)

Michael P Lombardo, M.L. Green, P.A. Thorpe, M.R. Czarnowski, et al.

Male Tree Swallows (Tachycineta bicolor) face intense sperm competition because mated pairs copulate frequently, extra-pair copulations are common, and females ...

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Left-sided Directional Bias of Cloacal Contacts During House Sparrow Copulations

Peer Reviewed Publications (2003)

Karen B Nyland, Michael P Lombardo and Patrick A Thorpe

Most female birds have only a left ovary and associated oviduct. The entry to the oviduct is on the left ...

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Individual, Temporal, and Seasonal Variation in Sperm Concentration in Tree ...

Peer Reviewed Publications (2002)

Michael P Lombardo, Armetris N Forman, Matthew R Czarnowski and Patrick A Thorpe

We determined sperm concentrations in Tree Swallows (Tachycineta bicolor) by manually expressing semen samples from males during prelaying, egg-laying, incubation, ...

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Left-sided Directional Bias of Cloacal Contacts During Tree Swallow Copulations

Peer Reviewed Publications (2001)

Aaron D Petersen, Michael P Lombardo and Harry W Power

Most female birds have only a left ovary and associated oviduct with entry to the oviduct on the left side ...

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Nestling Tree Swallow (Tachycineta bicolor) Diets in an Upland Old ...

Peer Reviewed Publications (2000)

Matthew E Johnson and Michael P Lombardo

We collected and identified 1852 prey items from 89 boluses delivered to 62 nestling tree swallows (Tachycineta bicolor) at 14 ...

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The Beneficial Sexually Transmitted Microbe Hypothesis of Avian Copulation

Peer Reviewed Publications (1999)

Michael P Lombardo, Patrick A Thorpe and Harry W Power

Several hypotheses have been proposed to explain why female birds either copulate repeatedly with a single mate or copulate with ...

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Microbial Colonization of the Cloacae of Nestling Tree Swallows

Peer Reviewed Publications (1999)

Tamara K Mills, Michael P Lombardo and Patrick A Thorpe

Microbes have the potential to be important selective forces in many aspects of avian biology. Microbes can affect fitness as ...

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On the Evolution of Sexually Transmitted Diseases in Birds

Peer Reviewed Publications (1998)

Michael P Lombardo

"The definitive version is available at www.blackwell-synergy.com". Sexually transmitted diseases (STDs) in animals are caused by pathogens that are transmitted ...

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Communities of Cloacal Bacteria in Tree Swallow Families

Peer Reviewed Publications (1996)

Michael P Lombardo, Patrick A Thorpe, R. Cichewicz, M. Henshaw, et al.

Our aim in this study was to survey the communities of bacteria found in the cloacae of adult and nestling ...

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Effect of Feathers as Nest Insulation on Incubation Behavior and ...

Peer Reviewed Publications (1995)

Michael P Lombardo, Ruth M Bosman, Christine A Faro, Stephen G Houtteman, et al.

Many species of birds line their nests with feathers, presumably because of the insulative qualities of feathers and because feathers ...

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Within-pair Copulations: Are Female Tree Swallows Feathering Their Own Nests?

Peer Reviewed Publications (1995)

Michael P Lombardo

A variety of hypotheses has been proposed to explain why socially monogamous birds copulate repeatedly with their mates when only ...

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Homosexual Copulations by Male Tree Swallows

Peer Reviewed Publications (1994)

Michael P Lombardo, Ruth M Bosman, Christine A Faro, Stephen G Houtteman, et al.

Homosexual courtship behavior in non-human animals is well known (Ford and Beach 1980) and occurs in a wide variety of ...

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About Michael P Lombardo

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