Seabird Colonies of the Small Islands of Bahía Santa María-La Reforma, Sinaloa, México

Castillo-Guerrero, José Alfredo; González‐Medina, Erick; Fernández, Guillermo

doi:10.1675/063.037.0412

Cited by 16 publications

(24 citation statements)

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“…At El Rancho Island (25809 0 14 00 N, 108822 0 19 00 W), eggs from blue-footed booby, royal tern, laughing gull, and Heermann's gull were collected. The colonies of the first 3 species are large at this site, with approximately 3000, 8000, and 2000 nesting pairs reported in 2012, respectively; however, the breeding pattern of Heermann's gull varies, with only 17 nests in the same year [18].…”

Section: Sampling Locationsmentioning

confidence: 94%

“…At El Rancho Island (25°09′14″N, 108°22′19″W), eggs from blue‐footed booby, royal tern, laughing gull, and Heermann's gull were collected. The colonies of the first 3 species are large at this site, with approximately 3000, 8000, and 2000 nesting pairs reported in 2012, respectively; however, the breeding pattern of Heermann's gull varies, with only 17 nests in the same year . In the central area of the bay, eggs from double‐crested cormorant, magnificent frigatebird, and brown pelican were collected at El Mero (25°05′34″N, 108°14′58″W) and Pájaros (25°04′44″N, 108°13′52″W) Islands, with approximately 3000, 8000, and 2000 nests, respectively .…”

Section: Methodsmentioning

confidence: 99%

“…In the central area of the bay, eggs from double-crested cormorant, magnificent frigatebird, and brown pelican were collected at El Mero (25805 0 34 00 N, 108814 0 58 00 W) and P ajaros (25804 0 44 00 N, 108813 0 52 00 W) Islands, with approximately 3000, 8000, and 2000 nests, respectively [18]. Mazatl an Bay is a semienclosed body of water that includes 3 islands and 2 islets located near the coast.…”

Section: Sampling Locationsmentioning

confidence: 99%

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Local and interannual variations in mercury and cadmium in eggs of eight seabird species of the Sinaloa coast, México

Ceyca

Castillo-Guerrero

Garcı́a-Hernández³

et al. 2016

Enviro Toxic and Chemistry

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Mercury (Hg) and cadmium (Cd) concentrations in eggs of 8 seabird species inhabiting 5 coastal ecosystems in Sinaloa, México were determined during 2 breeding seasons (2012 and 2013): blue-footed booby (Sula nebouxii), brown booby (Sula leucogaster), double-crested cormorant (Phalacrocorax auritus), magnificent frigatebird (Fregata magnificens), brown pelican (Pelecanus occidentalis), royal tern (Thalasseus maximus), laughing gull (Leucophaeus atricilla), and Heermann's gull (Larus heermanni). The interspecific differences found in the concentrations of both metals were attributed to the diet and foraging ecology of the species. The highest Hg concentrations were detected in piscivorous species (brown pelican, 0.42 µg/g; brown booby, 0.31 µg/g; blue-footed booby, 0.26 µg/g; and double-crested cormorant, 0.23 µg/g); whereas species with more varied diets presented the highest Cd concentrations (Heermann's gull, 0.31 µg/g; laughing gull, 0.27 µg/g; and magnificent frigatebird, 0.27 µg/g). Cadmium concentrations were significantly greater in 2013 than 2012 for most species, and brown pelican and laughing gull also had higher Hg concentrations in 2013 in Santa María Bay, suggesting a relationship as a result of the changes either in oceanographic conditions or in continental runoff. Mercury concentrations in brown pelican and Cd concentrations in Heermann's gull and laughing gull were above threshold levels for adverse effects on reproduction and survival. Environ Toxicol Chem 2016;35:2330-2338. © 2016 SETAC.

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Section: Sampling Locationsmentioning

confidence: 94%

Section: Methodsmentioning

confidence: 99%

Section: Sampling Locationsmentioning

confidence: 99%

See 1 more Smart Citation

Local and interannual variations in mercury and cadmium in eggs of eight seabird species of the Sinaloa coast, México

Ceyca

Castillo-Guerrero

Garcı́a-Hernández³

et al. 2016

Enviro Toxic and Chemistry

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“…Durante las observaciones rea lizadas no encontramos nidos ni pollos, aunque observamos conductas de cortejo de noviembre a marzo. En Sinaloa se ha reportado la reproducción de esta especie en el complejo lagunar San IgnacioNavachiste-Macapule (Sánchez-Bon et al 2010), en Ensenada de Pabellones (10 000-20 000 parejas reproductivas; Everett y Anderson 1991) y en la isla Pájaros, en la bahía Santa María-La Reforma con un tamaño de colonia promedio de 8 294 nidos (16 588 individuos; Castillo-Guerrero et al 2014). Además, otro sitio de reproducción reportado para la especie cercano a las islas de estudio es la isla Isabel en Nayarit.…”

Section: Fregata Magnificens (Fragata Magnífica)unclassified

“…Específicamente, la información básica sobre las aves en estas islas es escasa, y los listados taxonómicos aún se encuentran incompletos (Anderson 1983, Cody y Velarde 2002. En la zona sur del golfo de California se han realizado algunos estudios sobre la presencia y abundancia de aves en islas adyacentes a la costa de Sinaloa, como en el Farallón de San Ignacio (González-Bernal et al 2002, Guevara-Medina et al 2008) y la Bahía Santa María-La Reforma (Carmona y Danemman 1994, González-Bernal et al 2003, Castillo-Guerrero et al 2014. Se requiere de mayor cobertura espacial y de un esfuerzo continuo que permitan determinar las variaciones temporales para poder evaluar de manera integral la riqueza y abundancia de aves en las islas del golfo de California.…”

Section: Introductionunclassified

Presencia y abundancia de aves que se reproducen en islas de la bahía de Mazatlán, Sinaloa, México

Piña-Ortiz

Castillo-Guerrero

Rocha-Armenta

et al. 2017

Huitzil Rev. Mex. Ornitol.

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. Pelecanus occidentalis fue la especie más abundante con un total de 1 559 individuos, seguido de Fregata magnificens (fragata magnífica) y Sula nebouxii (bobo pata azul) con 1 526 y 1 100 individuos, respectivamente; aunque para estas dos últimas especies no hubo registros de reproducción. Las islas se encuentran bajo protección, pero se requiere realizar monitoreos para establecer el estado y tendencias de las poblaciones de aves, así como los efectos de las perturbaciones por actividades humanas y por las especies introducidas.Palabras clave: Aves acuáticas, Phaethon aethereus, Sula leucogaster, áreas naturales protegidas. AbstractWe recorded the presence and abundance of birds, as well as the habitat and breeding temporality of species at Pajaros, Venados, Lobos, Hermano Norte and Hermano Sur islands, located in Mazatlan bay. We conducted seven surveys between November 2014 and May 2015, plus information collected during May 2004 and 2015 by walking on the study islands. We observed a total of 59 species of birds, of which 15 were breeding species: Dendrocygna autumnalis (Black-bellied Whistling-Duck), Phaethon aethe reus (Red-billed Tropicbird), Sula leucogaster (Brown Booby), Pelecanus occidentalis (Brown Pelican), Ardea herodias (Great Blue Heron), Ardea alba (Great Egret), Egretta thula (Snowy Egret), Bubulcus ibis (Cattle Egret), Nycticorax nycticorax (Black-crowned Night-Heron), Nyctanassa violácea (Yellow-crowned Night-Heron), Eudocimus albus (White Ibis), Coragyps atratus (Black Vulture), Haematopus palliatus (American Oystercatcher), Larus hermanni (Heermann's Gull) and Falco peregrinus (Peregrine Falcon). For P. aethereus and S. leucogaster there were not previous reports indicating breeding on these islands; also we confirmed the nesting of L. hermanni. Pájaros Island harbors the largest number of breeding species (10 species). Pelecanus occidentalis was the most abundant species with 1 559 individuals, followed by Fregata magnificens (Magnificent Frigatebird) and Sula nebouxii (Blue-footed Booby) with 1 526 and 1 100 individuals respectively, although for the last two species there were no records of their breeding. These islands are under federal protection, but a monitoring effort is required to know the status and trends of bird populations, and the effects of disturbances by human activities and by introduced species.

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Flexibility in food resource allocation in parents and selectivity for offspring: variations in δ15N and δ13C values during breeding of the blue-footed booby

et al. 2017

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Seabird Colonies of the Small Islands of Bahía Santa María-La Reforma, Sinaloa, México

Cited by 16 publications

References 5 publications

Local and interannual variations in mercury and cadmium in eggs of eight seabird species of the Sinaloa coast, México

Local and interannual variations in mercury and cadmium in eggs of eight seabird species of the Sinaloa coast, México

Presencia y abundancia de aves que se reproducen en islas de la bahía de Mazatlán, Sinaloa, México

Flexibility in food resource allocation in parents and selectivity for offspring: variations in δ15N and δ13C values during breeding of the blue-footed booby

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