Winter site fidelity and winter movements in Common Loons (<i>Gavia immer</i>) across North America

Paruk, James D.; Chickering, Michael D.; Long, Darwin; Uher-Koch, Hannah; East, Andrew; Poleschook, Daniel; Gumm, Virginia; Hanson, William E.; Adams, Evan M.; Kovach, Kristin A.; Evers, David C.

doi:10.1650/condor-15-6.1

Cited by 19 publications

(13 citation statements)

References 29 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Similar to many seabird species, little information exists regarding the migratory patterns of loons, with only a few studies examining migration of Common Loons ( G . immer ) in the United States south of 50 degrees of latitude [ 12 – 15 ] and preliminary information from Yellow-billed Loons ( G . adamsii ) in Alaska [ 16 – 17 ].…”

Section: Introductionmentioning

confidence: 99%

International migration patterns of Red-throated Loons (Gavia stellata) from four breeding populations in Alaska

et al. 2018

View full text Add to dashboard Cite

Identifying post-breeding migration and wintering distributions of migratory birds is important for understanding factors that may drive population dynamics. Red-throated Loons (Gavia stellata) are widely distributed across Alaska and currently have varying population trends, including some populations with recent periods of decline. To investigate population differentiation and the location of migration pathways and wintering areas, which may inform population trend patterns, we used satellite transmitters (n = 32) to describe migration patterns of four geographically separate breeding populations of Red-throated Loons in Alaska. On average (± SD) Red-throated Loons underwent long (6,288 ± 1,825 km) fall and spring migrations predominantly along coastlines. The most northern population (Arctic Coastal Plain) migrated westward to East Asia and traveled approximately 2,000 km farther to wintering sites than the three more southerly populations (Seward Peninsula, Yukon-Kuskokwim Delta, and Copper River Delta) which migrated south along the Pacific coast of North America. These migration paths are consistent with the hypothesis that Red-throated Loons from the Arctic Coastal Plain are exposed to contaminants in East Asia. The three more southerly breeding populations demonstrated a chain migration pattern in which the more northerly breeding populations generally wintered in more northerly latitudes. Collectively, the migration paths observed in this study demonstrate that some geographically distinct breeding populations overlap in wintering distribution while others use highly different wintering areas. Red-throated Loon population trends in Alaska may therefore be driven by a wide range of effects throughout the annual cycle.

show abstract

Section: Introductionmentioning

confidence: 99%

International migration patterns of Red-throated Loons (Gavia stellata) from four breeding populations in Alaska

et al. 2018

View full text Add to dashboard Cite

show abstract

“…El colimbo mayor es un invernante regular en latitudes templadas (30°N, Harrison 1987, Paruk et al 2015. Aparentemente, México es el límite de su distribución invernal hacia el sur en el continente americano (Evers et al 2010(Evers et al , gbif 2016.…”

Section: Discussionunclassified

“…Primer registro de colimbo mayor en Oaxaca anterior, este grupo de edad presenta una mayor movilidad en sitios de invernación (Evers et al 2010, Paruk et al 2015. En este sentido, las aves observadas en zonas de distribución marginal se han identificado como inmaduros (Garza de León 1987, Fuentes-Moreno et al 2016.…”

Section: Discussionunclassified

“…En el océano Pacífico se encuentra durante su estancia no reproductiva desde las islas Aleutianas (suroeste de Alaska) hacia el sur, hasta el Golfo de California y occidente de México (aou 1998). Durante el invierno se le ha observado en costas, bahías, ensenadas, estuarios, ocasionalmente ríos, rara vez en la región pelágica (>100 km desde la costa; Powers y Cherry 1983, Evers et al 2010, Paruk et al 2015. Es un ave buceadora que depreda peces e invertebrados, principalmente demersales (Daub 1989, Ford y Gieg 1995, Gingras y Paszkowski 2006.…”

Section: Introductionunclassified

See 1 more Smart Citation

Primer registro del colimbo mayor (Gavia immer Brünnich, 1764) en Oaxaca, México

Villagómez¹,

Gámez²,

Molina

2017

Huitzil Rev. Mex. Ornitol.

View full text Add to dashboard Cite

Villagómez et al. Palabras clave: Gaviidae, Playa Azul, Distribución, Golfo de Tehuantepec. Primer registro del colimbo mayor (Gavia immerBrünnich AbstractWe recorded for the first time the Common Loon (Gavia immer) on the coast of Oaxaca state, Mexico. We observed an over-summering individual bird at the beach known as Playa Azul (07/13/2014), in the municipality of Salina Cruz, Oaxaca. The individual showed a non-breeding plumage, and has been observed in good condition. Due to the scarcity or lack of records by an irregular observation effort, the region could be considered as the natural distribution limit for the species.

show abstract

“…Common loons are long-lived (>25 years), and have high adult survival and low fecundity (Evers et al 2010). They exhibit both breeding and wintering site fidelity (Paruk et al 2015) and they provision their young primarily with fish from the natal lake. Breeding populations of common loons occur throughout the northern half of Saskatchewan, as southern lakes are not suitable because they are often shallow with reduced fish stocks (Smith 1996).…”

Section: Introductionmentioning

confidence: 99%

Initial indications of polycyclic aromatic hydrocarbon exposure in Saskatchewan common loons

Paruk¹,

Chickering

Mager

et al. 2018

FACETS

Self Cite

View full text Add to dashboard Cite

Mercury (Hg) and polycyclic aromatic hydrocarbons (PAHs) are global pollutants known for their toxicity to wildlife. Because of their trophic position, common loons ( Gavia immer (Brünnich 1764)) are excellent indicators of environmental quality. In 2014 and 2015, tissue samples of ten adult common loons (plus one recapture) were obtained in Meadow Lake Provincial Park, Saskatchewan, and assessed for Hg and PAH exposure. Blood and feather levels of these contaminants are indicative of exposure during breeding and in wintering areas, respectively. Compared with an international Hg database, blood Hg levels were low (<1 μg/g). In most loons (90.5%, 10 out of 11), blood PAH concentrations were also low (<10 ng/g), but high (120 ng/g) for one individual (9.5% 1 out of 11). Feather PAH concentrations were high (95.9 ng/g and 250.6 ng/g) in two of the four loons (50%) caught in 2015. These data indicate that loons breeding in Meadow Lake Provincial Park were exposed to low levels of Hg; however, some individuals are being exposed to PAHs in both their breeding and wintering locations. The effect of these environmental pollutants on individual loon fitness is unclear, but because of their extreme toxicity in biological systems we suggest that future monitoring in the surrounding region is warranted.

show abstract

Winter site fidelity and winter movements in Common Loons (Gavia immer) across North America

Abstract: BioOne Complete (complete.BioOne.org) is a full-text database of 200 subscribed and open-access titles in the biological, ecological, and environmental sciences published by nonprofit societies, associations, museums, institutions, and presses.

Cited by 19 publications

References 29 publications

International migration patterns of Red-throated Loons (Gavia stellata) from four breeding populations in Alaska

International migration patterns of Red-throated Loons (Gavia stellata) from four breeding populations in Alaska

Primer registro del colimbo mayor (Gavia immer Brünnich, 1764) en Oaxaca, México

Initial indications of polycyclic aromatic hydrocarbon exposure in Saskatchewan common loons

Contact Info

Product

Resources

About