The Dry-forest Sabrewing <i>Campylopterus calcirupicola</i> (Aves: Trochilidae) nests in limestone caves

Lopes, Leonardo Esteves; Nogueira, Wagner; Miranda, Warley

doi:10.1080/00222933.2020.1819454

Cited by 4 publications

(5 citation statements)

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“…Although the species uses cultivated areas, we hypothesize that its presence in transformed landscapes might be conditioned by the presence of native vegetation in association with watercourses. Thus far, we have found leks in dense understorey in riverine forest strips, and the presence of riverbanks near leks may indicate that female nesting sites could be nearby (see Esteves Lopes et al 2020). Nest sites in the vicinity of streams has been reported in other Campylopterus species (Hayes et al 2000, Marín 2001, Hayes 2002).…”

Section: Discussionmentioning

confidence: 81%

Distribution, ecology, and natural history of the recently rediscovered and critically endangered Santa Marta Sabrewing

Botero-Delgadillo,

Lara,

Vega

et al. 2024

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SummaryThe Santa Marta Sabrewing is a critically endangered (CR) hummingbird endemic to the Sierra Nevada de Santa Marta, Colombia. Prior to 2022, there were only three documented sightings of the sabrewing since it was described in 1879, including only one record between 1946 and 2022. As a result, this “lost” species has long been one of the most poorly-known birds in Colombia. We located a resident population of Santa Marta Sabrewing along the Guatapurí River near the Chemesquemena and Guatapurí villages in July 2022, and at its type locality, San José, in January 2023. Based on historical data and newly-collected field observations, we assess the species’ status and describe aspects of its natural history and ecology. Our review indicates the species has been frequently misidentified in the past, and that to date, documented evidence of its presence is limited to five localities, almost all of them restricted to the south-eastern slope of the Sierra Nevada de Santa Marta, along the mid Guatapurí river basin. Consequently, this bird appears to represent a case of microendemism. Following IUCN criteria, our data suggest that Santa Marta Sabrewing should remain listed as CR. Field observations indicate that the species is highly associated with watercourses, where males hold year-round territories and form leks. We obtained records of males in mid-elevation habitats (1,150–1,850 m) for 16 consecutive months between July 2022 and October 2023, suggesting that the species might not be an elevational migrant, as previously speculated. More information is needed to understand the species’ ecology so that effective conservation actions can be designed in collaboration with the indigenous communities with which the species coexists.

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Section: Discussionmentioning

confidence: 81%

Distribution, ecology, and natural history of the recently rediscovered and critically endangered Santa Marta Sabrewing

Botero-Delgadillo,

Lara,

Vega

et al. 2024

Preprint

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“…The nest found during the Los Tayos expedition appears quite unique among those described for Trochilidae (but not of course in the closely related Apodidae) in being sited very deep (either laterally or, especially, vertically) within a cave. In addition to Green-ISSN-2513-9894 (Online) fronted Lancebill, Lopes et al (2020) reported multiple nests of the recently described Dry-forest Sabrewing Campylopterus calcirupicola in limestone caves, one of which was up to 15 m inside, albeit the cave in question was described as having a large entrance which made its confines still rather light. Colonial or pseudo-colonial nesting (with concurrently active nests, even if at different stages) seems rare in hummingbirds: in Peru, Carpenter (1976) found that multiple females of Andean Hillstar Oreotrochilus estella will nest semi-colonially in particularly suitable sites; Solano-Ugalde (2008) reported finding 11 nests, of which at least seven were active, of the closely related Ecuadorian Hillstar O. chimborazo under a concrete bridge in northern Ecuador, mirroring earlier observations of 'colonial nesting' by this species reported by Smith (1969); and for Cuban Emerald Chlorostilbon ricordii Regalado Ruiz (1998) found six nests, all with eggs, in very close proximity (some just 30 cm apart), in north-east Cuba.…”

Section: Discussionmentioning

confidence: 98%

“…In addition to Green-fronted Lancebill, Lopes et al . (2020) reported multiple nests of the recently described Dry-forest Sabrewing Campylopterus calcirupicola in limestone caves, one of which was up to 15 m inside, albeit the cave in question was described as having a large entrance which made its confines still rather light.…”

Section: Discussionmentioning

confidence: 99%

A nesting aggregation of Blue-fronted Lancebill Doryfera johannae, with additional remarks on a cave nest of the species

Kirwan,

Russell

2023

Bulletin of the British Ornithologists’ Club

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“…ISSN-2513-9894 (Online) fronted Lancebill, Lopes et al (2020) reported multiple nests of the recently described Dry-forest Sabrewing Campylopterus calcirupicola in limestone caves, one of which was up to 15 m inside, albeit the cave in question was described as having a large entrance which made its confines still rather light. Colonial or pseudo-colonial nesting (with concurrently active nests, even if at different stages) seems rare in hummingbirds: in Peru, Carpenter (1976) found that multiple females of Andean Hillstar Oreotrochilus estella will nest semi-colonially in particularly suitable sites; Solano-Ugalde (2008) reported finding 11 nests, of which at least seven were active, of the closely related Ecuadorian Hillstar O. chimborazo under a concrete bridge in northern Ecuador, mirroring earlier observations of 'colonial nesting' by this species reported by Smith (1969); and for Cuban Emerald Chlorostilbon ricordii Regalado Ruiz (1998) found six nests, all with eggs, in very close proximity (some just 30 cm apart), in north-east Cuba.…”

Section: Discussionmentioning

confidence: 99%

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2023

Bulletin of the British Ornithologists’ Club

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The meeting was recorded and a video of the event is available online at https://youtu.be/KU7MPekp41c and also via the Club website https:// boc-online.org.Dr Richard Sales, renowned for his wide-ranging research and publications on raptors, notably British falcons, and Steve Watson, who has been conducting a decades-long field study on the Peregrine Falcon Falco peregrinus in Gloucestershire, jointly presented a very well-illustrated talk entitled The Peregrine Falcon, based on their groundbreaking recent book of the same name. Richard's area of special research interest, namely the interaction between anatomy and behaviour underlying the Peregrine's flight characteristics and prey capture, synergistically complemented the broader focus by Steve on ecology and population characteristics, resulting in a particularly comprehensive overview. Broader discussion of the wide range and complex taxonomy (approaching 20 subspecies according to most authorities) of the species was not neglected, and the authors' detailed research included fascinating novel nuggets of information, including that the Peregrine's visual acuity is likely to be even greater than generally understood.The 1009th meeting of the Club was held in conjunction with the Linnean Society of London at Burlington House, Piccadilly, London W1J 0BF, on Monday 6 November 2023 when Dr Will Smith spoke on Rock Doves and the process of 'extinction by hybridisation'. A detailed account of this meeting will be included in the March 2024 issue of the Bulletin.

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The Dry-forest Sabrewing Campylopterus calcirupicola (Aves: Trochilidae) nests in limestone caves

Cited by 4 publications

References 13 publications

Distribution, ecology, and natural history of the recently rediscovered and critically endangered Santa Marta Sabrewing

Distribution, ecology, and natural history of the recently rediscovered and critically endangered Santa Marta Sabrewing

A nesting aggregation of Blue-fronted Lancebill Doryfera johannae, with additional remarks on a cave nest of the species

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