R
Richard K. O'Hara
Researcher at Oregon State University
Publications - 13
Citations - 900
Richard K. O'Hara is an academic researcher from Oregon State University. The author has contributed to research in topics: Kin recognition & Rana cascadae. The author has an hindex of 12, co-authored 13 publications receiving 878 citations.
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Pathogenic fungus contributes to amphibian losses in the pacific northwest
TL;DR: This is the first study documenting contemporary mortality in an amphibian population with identification of the attributed pathogenic species and it is suggested that this fungal infection could also be a major contributor to other amphibian populations declines.
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Genetic control for sibling recognition
TL;DR: Tadpoles were separated before hatching and reared apart from other individuals, results suggest that the ability of these tadpoles to discriminate between siblings and non-siblings has some innate component.
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Kin recognition in Rana cascadae tadpoles: maternal and paternal effects
TL;DR: Results are consistent with both a phenotypic matching and a genetic recognition system of kin recognition, and suggest that both learned and innate components may play a role in R. cascadae sibling recognition.
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An investigation of sibling recognition in Rana cascadae tadpoles
TL;DR: It is suggested that early association with non-siblings does not affect sibling recognition in this species.
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Mating pattern variability among western toad (Bufo boreas) populations
TL;DR: The results strongly suggest that anuran mating patterns are frequently neither species-specific nor population-specific attributes, and variable mating patterns were most commonly observed in explosively-breeding anurans.