Flammulated Owl (Psiloscops flammeolus)

Linkhart, Brian D.; McCallum, D. Archibald

doi:10.2173/bna.93

Cited by 22 publications

(33 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…For managed forest landscapes like those in the BNF, this may be especially true because standing dead wood, the most likely place for naturally occurring cavities, is frequently removed as part of forestry practices (Newton 1994, Kroll et al 2012. Studies reporting cavity use by Flammulated Owls do suggest this species almost exclusively uses cavities excavated by woodpeckers (Linkhart and McCallum 2013), rather than those that exist through decay or other natural processes. Northern Saw-whet Owls readily breed in nest boxes, but they too use cavities excavated by woodpeckers (Rasmussen et al 2008).…”

Section: Discussionmentioning

confidence: 99%

“…We timed these surveys to overlap with the breeding season of the cavity-nesting species of interest, although we anticipated few, if any, Flammulated Owl detections during that period because of their migratory habit and later arrival in breeding grounds (Powers et al 1996, Barnes and Belthoff 2008, Linkhart and McCallum 2013. Therefore, we continued nighttime surveys focused on Flammulated Owls in June of both years.…”

Section: Sampling Presence/absence Of Owls and Woodpeckersmentioning

confidence: 99%

“…We also developed and analyzed a variable that captured landcover diversity (hereafter diversity) for each of the three spatial scales using the Shannon Diversity Index (Shannon and Weaver 1949) calculated using 11 of the most common landcover classes and the proportion of each. We considered the 0.4-km buffer distance to encompass features owls (Hayward and Garton 1988, Barnes and Belthoff 2008, Rasmussen et al 2008, Linkhart and McCallum 2013 and woodpeckers (Dudley and Saab 2003, Wiebe and Moore 2017, Bull and Jackson 2011 may experience within their individual home-range sizes. We assumed that measurements at the 1-and 3-km buffers reflected scales at which dispersal of cavity-nesting species may occur or over which predators, such as Great Horned Owls (Bubo virginianus), Northern Goshawks (Accipiter gentilis), and others potentially operated (Scholer et al 2014).…”

Section: Measuring Landcover Topographic and Snag Characteristicsmentioning

confidence: 99%

“…The literature reports that Flammulated Owls use cavities excavated by Hairy Woodpeckers (Picoides villosus), Northern Flickers (Colaptes auratus; hereafter Flickers), Pileated Woodpeckers (Dryocopus pileatus), Red-naped Sapsuckers (Sphyrapicus nuchalis), and others (McCallum and Gehlbach 1988, Bull et al 1990, Arsenault 2004, Linkhart and McCallum 2013, while Boreal Owls and Northern Saw-whet Owls often use cavities excavated by Flickers and Pileated Woodpeckers Hayward 1993, Rasmussen et al 2008). We therefore hypothesized that woodpeckers co-occur more frequently than expected by chance with cavity-nesting owls based on the potential facilitative nature of their interactions.…”

Section: Introductionmentioning

confidence: 99%

“…Similarly, we investigated patterns of co-occurrence among the cavity-nesting owls. Boreal Owls and Northern Saw-whet Owls breed earlier than Flammulated Owls (Powers et al 1996, Rasmussen et al 2008, Linkhart and McCallum 2013 and consequently are able to select available nesting cavities before migratory Flammulated Owls arrive in breeding areas. Boreal Owls and Northern Saw-whet Owls are also similar in size and may overlap in their use of nesting cavities (Hayward and Garton 1988, Hayward and Hayward 1993, Rasmussen et al 2008).…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Patterns of co-occurrence in woodpeckers and nocturnal cavity-nesting owls within an Idaho forest

Scholer¹,

Leu²,

Belthoff³

2018

ACE

View full text Add to dashboard Cite

ABSTRACT. Few studies have examined the patterns of co-occurrence between diurnal birds such as woodpeckers and nocturnal birds such as owls, which they may facilitate. Flammulated Owls (Psiloscops flammeolus) and Northern Saw-whet Owls (Aegolius acadicus) are nocturnal, secondary cavity-nesting birds that inhabit forests. For nesting and roosting, both species require natural cavities or, more commonly, those that woodpeckers create. Using day and nighttime broadcast surveys (n = 150 locations) in the Rocky Mountain biogeographic region of Idaho, USA, we surveyed for owls and woodpeckers to assess patterns of co-occurrence and evaluated the hypothesis that forest owls and woodpeckers co-occurred more frequently than expected by chance because of the facilitative nature of their biological interaction. We also examined co-occurrence patterns between owl species to understand their possible competitive interactions. Finally, to assess whether co-occurrence patterns arose because of species interactions or selection of similar habitat types, we used canonical correspondence analysis (CCA) to examine habitat associations within this cavity-nesting bird community. We found that Flammulated Owls co-occurred more with Hairy Woodpeckers (Picoides villosus), Northern Saw-whet Owls co-occurred with Northern Flickers (Colaptes auratus) and Red-naped Sapsuckers (Sphyrapicus nuchalis) and, when primary excavators were considered as a group, each species of owl was positively associated with the presence of woodpeckers. The owl species were distributed independently of one another suggesting a lack of competitive interactions. The CCA had relatively low explanatory power but suggested that habitat associations alone did not explain the patterns of positive co-occurrence we observed: Flammulated Owls and Hairy Woodpeckers associated with different habitats and Northern Saw-whet Owls, Northern Flickers, and Red-naped Sapsuckers appeared as habitat generalists. We interpret these patterns of co-occurrence and habitat use as evidence that woodpeckers facilitate presence of these species of owl and suggest management for forest owls could also include focus on the diurnal species with which they appear to associate. Profils de cooccurrence des pics et des strigidés nocturnes nichant dans des cavités dans une forêt de l'IdahoRÉSUMÉ. Peu d'études ont examiné la cooccurrence des oiseaux diurnes, comme les pics, et les oiseaux nocturnes, comme les strigidés. Les Petits-ducs nains (Psiloscops flammeolus) et les Petites Nyctales (Aegolius acadicus) sont des utilisateurs secondaires de cavités nocturnes nichant en forêt. Pour nicher et se reposer, ces deux espèces ont besoin de cavités naturelles ou, plus couramment, celles excavées par des pics. Au moyen de relevés diurnes et nocturnes accompagnés d'enregistrements sonores (n = 150 sites) réalisés dans la région biogéographique des Montagnes Rocheuses en Idaho, aux États-Unis, nous avons inventorié les strigidés et les pics afin d'évaluer leur tendance à cooccurrer et de valider l'hypo...

show abstract

Section: Discussionmentioning

confidence: 99%

Section: Sampling Presence/absence Of Owls and Woodpeckersmentioning

confidence: 99%

Section: Measuring Landcover Topographic and Snag Characteristicsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Patterns of co-occurrence in woodpeckers and nocturnal cavity-nesting owls within an Idaho forest

Scholer¹,

Leu²,

Belthoff³

2018

ACE

View full text Add to dashboard Cite

show abstract

Evidence of postbreeding prospecting in a long‐distance migrant

Ciaglo

Calhoun

Yanco

et al. 2020

Ecology and Evolution

Self Cite

View full text Add to dashboard Cite

show abstract

Niche dynamics suggest ecological factors influencing migration in an insectivorous owl

Yanco

Linkhart

Marra

et al. 2022

Ecology

Self Cite

View full text Add to dashboard Cite

Seasonal migration is a widespread phenomenon undertaken by myriad organisms, including birds. Competing hypotheses about ultimate drivers of seasonal migration in birds contrast relative resource abundances at high latitudes (“southern home hypothesis”) against avoidance of winter resource scarcity (“dispersal‐migration hypothesis”). However, direct tests of these competing hypotheses have been rare and to date limited to historical biogeographic reconstructions. Here we derive novel predictions about the dynamics of individual niches from each hypothesis and provide a framework for evaluating support for these competing hypotheses using contemporary environmental and behavioral data. Using flammulated owls (Psiloscops flammeolus) as a model, we characterized year‐round occupied niche dynamics using high‐resolution global positioning system tracking and remote‐sensed environmental data. We also compared occupied niche dynamics to counterfactual niches using simulated alternative nonmigratory strategies. Owl occupied mean niche was conserved among seasons, whereas niche variance was generally higher during migratory periods. Simulated year‐round residents in Mexico would have experienced putatively more productive niches than migrants. These findings provide ecological support for the “dispersal‐migration” hypothesis in which winter resource scarcity is the primary driver of migration rather than summer resource abundances.

show abstract

Flammulated Owl (Psiloscops flammeolus)

Cited by 22 publications

References 0 publications

Patterns of co-occurrence in woodpeckers and nocturnal cavity-nesting owls within an Idaho forest

Patterns of co-occurrence in woodpeckers and nocturnal cavity-nesting owls within an Idaho forest

Evidence of postbreeding prospecting in a long‐distance migrant

Niche dynamics suggest ecological factors influencing migration in an insectivorous owl

Contact Info

Product

Resources

About