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Whitworth, Darrell L.

Displaying 1 - 34 of 34
2023"Breeding of the Guadalupe Murrelet in Southern California" in Western Birds
2021"The rarest alcid: status and history of the Guadalupe Murrelet Synthliboramphus hypoleucus at Isla Guadalupe, Mexico (1892-2007)" in Marine Ornithology
2020"At-sea congregation surveys to assess the status of Scripps’s Murrelets Synthliboramphus scrippsi at islands off western Baja California, Mexico in 2002−2008" in Marine Ornithology
2020"Breeding Status and Sex Ratio of Ancient Murrelets Captured in the Nocturnal At-Sea Congregation Off Teuri Island, Japan" in Ornithological Science
2020"Hatching success and predation of Japanese murrelets Synthliboramphus wumizusume on Birou Island, Miyazaki Prefecture" in Yamashina Journal of Ornithology
2020"Confirmation of Breeding by Japanese Murrelets Synthliboramphus wumizusume at Kobiro Islet, Miyazaki, Japan" in Yamashina Journal of Ornithology
2020"Estimation of the breeding population size and confirmation of rodent invasion status at the newly confirmed breeding ground of the Crested Murrelet in Mugi Town, Tokushima Prefecture - Seabird Conservation Group" in Nature Conservation Grant Fund Grant Results Report
2018"Scripps's Murrelet at San Miguel Island, California: Status of a Small Population at the Northwest Limit of the Breeding Range" in Western North American Naturalist
2018"Status of Ashy Storm-Petrel Breeding Colonies at Santa Cruz Island, California, 1912–1998" in Western North American Naturalist
2018"Long-Term Monitoring of Scripps's Murrelet and Guadalupe Murrelet at San Clemente Island, California: Evaluation of Baseline Data in 2012–2016" in Western North American Naturalist
2018"Breeding of Craveri’s Murrelet Synthliboramphus craveri at four islands off west-central Baja California, México" in Marine Ornithology
2018"Population trends for Scripps's murrelet following eradication of black rats" in The Journal of Wildlife Management
2016"Breeding of the Leach's Storm-petrel Oceanodroma Leucorhoa at Santa Catalina Island, California" in Marine Ornithology
2016"Occurrence, morphometrics and plumage variability among Leach’s Storm-Petrels Oceanodroma leucorhoa in the California Channel Islands, 1976–2015" in Marine Ornithology
2015"Breeding of Cassin’s Auklets Ptychoramphus aleuticus at Anacapa Island, California, after eradication of Black Rats Rattus rattus" in Marine Ornithology
2015"Breeding of the Ashy Storm-Petrel in Central Mendocino County, California" in Western Birds
2014"Status, Distribution, and Conservation of Scripps's Murrelet at Santa Catalina Island, California" in Monographs of the Western North American Naturalist
2014"Nesting ecology of Marbled Murrelets at a remote mainland fjord in southeast Alaska" in The Condor
2014"Nocturnal Spotlight Surveys for Monitoring Scripps's Murrelets in At-Sea Congregations at Anacapa Island, California" in Monographs of the Western North American Naturalist
2013"Recovery of a threatened seabird after eradication of an introduced predator: Eight years of progress for Scripps’s murrelet at Anacapa Island, California" in Biological Conservation
2012"Rangewide Population Genetic Structure of Xantus's Murrelet (Synthliboramphus hypoleucus)" in The Auk
2010"Polymorphic microsatellite loci for the threatened Xantus’s Murrelet (Synthliboramphus hypoleucus scrippsi)" in Conservation Genetics Resources
2006Preliminary Assessment of the Status and Health of Xantus's Murrelets (Synthliboramphus hypoleucus) at Todos Santos Islands, Baja California, Mexico, in 2005
2005"Initial recovery of Xantus’s Murrelets following rat eradication on Anacapa Island, California" in Marine Ornithology
2005"Health Assessments and Stress Response of Xantus's Murrelets to Capture, Handling, and Radio-marking" in Marine Ornithology
2004"Effects of radiotransmitters on the reproductive performance of Cassin’s auklets" in Wildlife Society Bulletin
2000"At-sea threats to Xantus' murrelets (Synthliborampus hypoleucus) in the Southern California Bight" in Proceedings of the Fifth California Islands Symposium 
2000"Foraging distances of radio-marked marbled murrelets from inland areas in Southeast Alaska" in The Condor
2000"Distribution of Xantus' Murrelet Synthliboramphus hypoleucus at sea in the Southern California Bight, 1995–97" in Ibis
1999"Subcutaneous Anchor Attachment Increases Retention of Radio Transmitters on Xantus' and Marbled Murrelets" in Journal of Field Ornithology
1997"A Night-Lighting Technique for At-Sea Capture of Xantus' Murrelets" in Colonial Waterbirds
1996Survey of Xantus' Murrelets (Synthliboramphus hypoleucus) and other marine birds at Islas Los Coronados, Baja California Norte, Mexico, on 23-25 April 1995
1995"Reoccupation and Extension of Southern Breeding Limits of Tufted Puffins and Rhinoceros Auklets in California" in Colonial Waterbirds
1995Foraging Distribution and Post-Breeding Dispersal of the Xantus’ Murrelet in the Southern California Bight
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