Breeding Ecology of the Red-Billed Tropicbird<i>Phaethon aethereus</i>Under Contrasting Environmental Conditions in the Gulf of California

Castillo-Guerrero, José Alfredo; Guevara-Medina, Miguel; Mellink, Eric

doi:10.5253/078.099.0108

Cited by 21 publications

(22 citation statements)

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“…The breeding season of Red-billed Tropicbird at Clarion resemble the temporality of other colonies in the Gulf of California (Castillo-Guerrero et al 2011). Considering the incubation period, the season should be starting during November-December and extending to May.…”

Section: Discussionmentioning

confidence: 99%

“…Only a single study of reproductive ecology (Castillo-Guerrero et al, 2011) Howell and Webb (1990) reported 40-50 pairs of the Red-billed Tropicbird engaged in courtship flights, but no breeding records have been ever done (Wanless et al 2009). Here, we confirm the breeding activity of the Redbilled Tropicbird in Clarion Island, plus an estimate of breeding pairs and some notes about its temporality of breeding.…”

Section: Introductionmentioning

confidence: 99%

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Reproducción del rabijunco pico-rojo (Phaethon aethereus) en isla Clarión, México

González-Zamora¹,

Angulo-Castellanos²,

Hernández‐Vázquez³

et al. 2017

Huitzil Rev. Mex. Ornitol.

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González-Zamora et al. Breeding of Red-billed Tropicbird (Phaethon aethereus)in Clarion Island, MexicoReproducción del rabijunco pico-rojo (Phaethon aethereus) en isla Clarión, MéxicoDiego Adolfo González-Zamora AbstractThe Red-billed Tropicbird is listed as a threatened species in Mexico. There is a notable lack of basic information about this species in the world. Between January-May 2015 and 2016 we confirmed its nesting on Clarion Island (there were reports and counts of couples flying around the island, but no evidence of nests). We estimate approximately 48 nesting couples on the island. The breeding season occurs between the months of December and May. When comparing our data with a report of couples flying in 1990 it seems that the population has remained relatively stable for the last 25 years.Keywords: Breeding season, Seabirds, Revillagigedo, Nesting. ResumenEl rabijunco de pico rojo se encuentra catalogado como una especie amenazada en México. Hay muy poca información de esta especie en el mundo. Entre enero-mayo de 2015 y 2016 confirmamos su anidación en la Isla Clarión (existían reportes y conteos de parejas volando alrededor de la isla, pero sin evidencia de nidos). Estimamos aproximadamente 48 parejas anidando en la isla. La temporada de reproducción ocurre entre los meses de diciembre y mayo. Al comparar nuestros datos con un reporte de parejas volando en 1990 parece que la población se ha mantenido relativamente estable en los últimos 25 años.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Reproducción del rabijunco pico-rojo (Phaethon aethereus) en isla Clarión, México

González-Zamora¹,

Angulo-Castellanos²,

Hernández‐Vázquez³

et al. 2017

Huitzil Rev. Mex. Ornitol.

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“…El número de individuos registrados osciló entre 102 durante febrero y un máximo dePresencia y abundancia de aves en islas de la bahía de Mazatlán coinciden con lo reportado previamente en Sinaloa y el golfo de California (Knoder et al 1980, Carmona y Danemann 1994, Mellink 2000, Guevara-Medina et al 2008Castillo-Guerrero et al 2011), con excepción de P. aethereus y S. leucogaster, cuya temporada reproductiva fue tardía en comparación con los reportes de puesta de huevos en otras islas del golfo de California (véase Mellink 2000 para S. leucogaster y CastilloGuerrero et al 2011 para P. aethereus). En el golfo de California hay una marcada estacionalidad con las surgencias; durante el invierno ocurren en el margen oriental del golfo, lo que incrementa la productividad general en la región (Álvarez-Borrego 2010).…”

Section: Sula Nebouxii (Bobo Pata Azul)unclassified

“…Estas condiciones oceanográficas (p. ej., disminución en la temperatura superficial del mar, incrementos en la concentración de clorofila a) influyen fuertemente en la fenología reproductiva de los bo bos, pelíca-nos y rabijuncos en el golfo de California (Castillo-Guerrero et al 2011, Ancona et al 2011. Sin embargo, la es tacionalidad de las surgencias solamente coincidió con la temporada reproductiva de Pelecanus occidentalis.…”

Section: Sula Nebouxii (Bobo Pata Azul)unclassified

“…La posible explicación del inicio tardío de la reproducción de Phaethon aethereus y Sula leucogaster con respecto a otras localidades en el golfo de California puede estar relacionado con el fenómeno El Niño-Oscilación del Sur que se presentó en la región desde febrero de 2015 (noaa 2015). Se ha demostrado que la bio logía reproductiva de P. aethereus en el golfo de California puede diferir entre un año considerado normal y un año con presencia del fenómeno El Niño-Oscilación del Sur moderado (Castillo-Guerrero et al 2011). En el caso de las gaviotas y garzas coin cidió con reportes previos que indican su reproducción en primavera.…”

Section: Sula Nebouxii (Bobo Pata Azul)unclassified

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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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Between‐year and spatial variation in body condition across the breeding cycle in a pelagic seabird, the Red‐billed Tropicbird

Beard,

Thomas,

Medeiros Mirra

et al. 2023

Ecology and Evolution

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Body condition in pelagic seabirds impacts key fitness‐related traits such as reproductive performance and breeding frequency. Regulation of body condition can be especially important for species with long incubation periods and long individual incubation shifts between foraging trips. Here, we show that body condition of adult Red‐billed Tropicbirds (Phaethon aethereus) at St Helena Island, South Atlantic Ocean, exhibited considerable variation between years (2013–2017) and between different stages of the breeding cycle. Females took the first incubation shift following egg laying, after which males and females alternated incubation shifts of varying length, ranging from <1 to 12 days. Body condition declined in both sexes during an incubation shift by an average of 22 g (2.83% of starting mass) per day and over the incubation period; mass loss was significantly greater during longer incubation shifts, later within a shift and later in the total incubation period. There was also significant differences in incubation behaviour and body condition between years; in 2015, coinciding with a moderate coastal warming event along the Angolan‐Namibian coastlines, adults on average undertook longer incubation shifts than in other years and had lower body condition. This suggests that substantial between‐year prey fluctuations in the Angola Benguela upwelling system may influence prey availability, in turn affecting incubation behaviour and regulation of body condition. Adults rearing chicks showed a significant reduction in body condition when chicks showed the fastest rate of growth. Chick growth rates during 2017 from two localities in the Atlantic Ocean: an oceanic (St Helena) versus neritic (Cabo Verde) population were similar, but chicks from St Helena were overall heavier and larger at fledging. Results from this multi‐year study highlight that flexibility and adaptability in body condition regulation will be important for populations of threatened species to optimise resources as global climate change increasingly influences prey availability.

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Breeding Ecology of the Red-Billed TropicbirdPhaethon aethereusUnder Contrasting Environmental Conditions in the Gulf of California

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 21 publications

References 40 publications

Reproducción del rabijunco pico-rojo (Phaethon aethereus) en isla Clarión, México

Reproducción del rabijunco pico-rojo (Phaethon aethereus) en isla Clarión, México

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

Between‐year and spatial variation in body condition across the breeding cycle in a pelagic seabird, the Red‐billed Tropicbird

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