Purple Martin (Progne subis)

Brown, Charles R.; Airola, Daniel A.; Tarof, Scott A.

doi:10.2173/bow.purmar.02

Cited by 12 publications

(13 citation statements)

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“…The fourth level, aerial search, refers to species that search for prey in flight but dive down to capture prey on the ground or in the water (e.g., Red‐tailed Hawk, Buteo jamaicensis , Preston & Beane, 2020 ). The fifth level, aerial capture, refers to species that search for, capture, and ingest prey on the wing (e.g., Purple Martin, Progne subis , Brown et al, 2021 ). Population sizes were taken from Rosenberg et al ( 2019 ) with data originally published by Partners in Flight (Stanton et al, 2019 ).…”

Section: Methodsmentioning

confidence: 99%

Determinants of natal dispersal distances in North American birds

Chu

Claramunt

2023

Ecology and Evolution

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Natal dispersal—the movement from birth site to first breeding site—determines demographic and population genetic dynamics and has important consequences for ecological and evolutionary processes. Recent work suggested that one of the main factors determining natal dispersal distances is the cost of locomotion. We evaluated this hypothesis using band recovery data to estimate natal dispersal distances for 50 North American bird species. We then analyzed the relationships between dispersal distances and a suite of morphological and ecological predictors, including proxies for the cost of locomotion (flight efficiency), using phylogenetic regression models. We found that flight efficiency, population size, and habitat influence natal dispersal distances. We discuss how the effects of population size and habitat can also be related to mobility and locomotion. Our findings are consistent with a predominant effect of adaptations for mobility on dispersal distances.

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Section: Methodsmentioning

confidence: 99%

Determinants of natal dispersal distances in North American birds

Chu

Claramunt

2023

Ecology and Evolution

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“…The relatively large body sizes of these aquatic insects also make them preferred food items for many species of birds. [58][59][60][61][62] Unfortunately, EPT taxa are especially sensitive to anthropogenic disturbances like increased agricultural intensification and urbanization. [63][64][65] As a consequence, EPT taxa are some of the first species to be lost from local food webs following disturbance and exposure to agricultural pesticides, 66 and their nutritional contributions to consumers cannot be readily offset by conservation of terrestrial systems alone (Figure 4).…”

Section: Articlementioning

confidence: 99%

Climate change shifts the timing of nutritional flux from aquatic insects

et al. 2022

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“…Even daily movements of Progne can cover large distances, with coastal, sea-level-nesting Peruvian Martins P. murphyi reaching elevations as high as 1500 m (Parker, Stotz & Fitzpatrick, 1996; Luo, 2020) and Purple Martins P. subis foraging as high as 1889 m above the ground (Helms et al, 2016), sometimes quite far from nest sites (Corman, 2005). The combination of aerial feeding habits and migratory behaviors enables Progne to cover long distances as migrants and as vagrants, as demonstrated by records P. subis , a species that breeds broadly across central North America and winters in central South America, from Alaska, Ireland, Scotland, the Azores, and the Falklands [Malvinas] (eBird, 2012; Quigley, 2018; Brown, Airola & Tarof, 2021).…”

Section: Introductionmentioning

confidence: 99%

Ecological niche divergence or ecological niche partitioning in a widespread Neotropical bird lineage

Cooper

2024

Preprint

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Ecological niche divergence is generally considered to be a facet of evolution that may accompany geographic isolation and diversification in allopatry, contributing to species' evolutionary distinctiveness through time. The null expectation for any two diverging species in geographic isolation is that of niche conservatism, wherein populations do not rapidly shift to or adapt to novel environments. Here, I test ecological niche divergence for a widespread, pan-American lineage, the avian genus of martins (Progne). Despite containing species with distributions that go from continent-spanning to locally endemic, I found limited evidence for niche divergence across the breeding distributions of Progne, and much stronger support for niche conservatism with patterns of niche partitioning. The ancestral Progne had a relatively broad ecological niche, similar to extant basal Progne lineages, and several geographically localized descendant species occupy only portions of the larger ancestral Progne niche. I recovered strong evidence of breeding niche divergence for four of 36 taxon pairs but only one of these divergent pairs involved two widespread, continental species (Southern Martin P. elegans vs. Gray-breasted Martin P. chalybea). Potential niche expansion from the ancestral species was observed in the most wide-ranging present-day species, namely the North American Purple Martin P. subis and P. chalybea. I analyzed populations of P. subis separately, as a microcosm of Progne evolution, and again found only limited evidence of niche divergence. This study adds to the mounting evidence for niche conservatism as a dominant feature of diversifying lineages. Even taxa that appear unique in terms of habitat or behavior may still not be diversifying with respect to their ecological niches, but merely partitioning ancestral niches among descendant taxa.

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Purple Martin (Progne subis)

Cited by 12 publications

References 0 publications

Determinants of natal dispersal distances in North American birds

Determinants of natal dispersal distances in North American birds

Climate change shifts the timing of nutritional flux from aquatic insects

Ecological niche divergence or ecological niche partitioning in a widespread Neotropical bird lineage

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