Wood Thrush (Hylocichla Mustelina) Nesting Ecology in Relation to Prescribed Burning of Mixed-Oak Forest in Ohio

Artman, Vanessa L.; Downhower, Jerry F.

doi:10.1642/0004-8038(2003)120[0874:wthmne]2.0.co;2

Cited by 13 publications

(4 citation statements)

References 11 publications

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“…We included small stem density (SI4) in the model as a proxy to understory cover. Although some researchers suggest that the wood thrush selects habitats with higher stem densities than generally are available, the controls in these studies typically are in mature forest and the wood thrush may simply be selecting habitats with locally high stem densities (Artman and Downhower 2003). We assumed that the average stem density (1,988 stems/ha) observed by Hoover and Brittingham (1998) around wood thrush nests was representative of optimal habitat.…”

Section: David Arbour Us Forest Servicementioning

confidence: 99%

Multiscale habitat suitability index models for priority landbirds in the Central Hardwoods and West Gulf Coastal Plain/Ouachitas Bird Conservation Regions

Tirpak¹,

Jones-Farrand²,

Thompson³

et al. 2009

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Ecoregional conservation planning for priority landbirds requires methods that explicitly link populations to habitat conditions at multiple scales. We developed Habitat Suitability Index (HSI) models to assess habitat quality for 40 priority bird species in the Central Hardwoods and West Gulf Coastal Plain/Ouachitas Bird Conservation Regions. The models incorporated both site and landscape environmental variables derived from one of six nationally consistent datasets: ecological subsections from the National Ecological Unit Hierarchy, National Land Cover Dataset, National Elevation Dataset, National Hydrography Dataset, State Soil Geographic Database, and Forest Inventory and Analysis data. We initially defi ned potential habitat for each species from unique landform, landcover, and successional age class combinations. Species-specifi c environmental variables identifi ed from the literature were used to refi ne initial habitat estimates. We verifi ed models by comparing subsection-level HSI scores and Breeding Bird Survey (BBS) abundance via Spearman rank correlation. To validate models, we developed generalized linear models that predicted BBS abundance as a function of HSI score and Bird Conservation Region. We considered models that included a signifi cant (P ≤ 0.100) positive coefficient on the BBS predictor to be valid and useful for conservation planning.

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Section: David Arbour Us Forest Servicementioning

confidence: 99%

Multiscale habitat suitability index models for priority landbirds in the Central Hardwoods and West Gulf Coastal Plain/Ouachitas Bird Conservation Regions

Tirpak¹,

Jones-Farrand²,

Thompson³

et al. 2009

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show abstract

“…Bahamas, espèce en danger, habitat de nidification, Icterus northropi, Oriole des Bahamas influence nest-tree selection because they commonly occur in the Bahamian pine forest (Myers et al 2004). Although no studies have examined the specific impact of wildfires on Bahama Orioles, Artman and Downhower (2003) studied Wood Thrush (Hylocichla mustelina) nest-site selection in relation to prescribed burning. They analyzed habitat characteristics such as ground cover, understory, tree height, and nest height and found that the Wood Thrush placed nests higher off the ground and in taller, larger trees in burned areas compared to unburned areas (Artman and Downhower 2003).…”

Section: Mots Clésmentioning

confidence: 99%

“…Although no studies have examined the specific impact of wildfires on Bahama Orioles, Artman and Downhower (2003) studied Wood Thrush (Hylocichla mustelina) nest-site selection in relation to prescribed burning. They analyzed habitat characteristics such as ground cover, understory, tree height, and nest height and found that the Wood Thrush placed nests higher off the ground and in taller, larger trees in burned areas compared to unburned areas (Artman and Downhower 2003). Based on information gathered from these prior studies, we hypothesized that the following factors could influence nest-site selection: (1) number of pines (pine density), (2) number of short thatch palms, (3) number of tall thatch palms, (4) understory height, and (5) burn history.…”

Section: Mots Clésmentioning

confidence: 99%

“…Next, we collected information on the pine forest understory. For each nest tree, we estimated the average pine understory height into five possible categories: 0-1 m, 1-2 m, 2-4 m, and 4-10 m. Since fires commonly occur in this habitat, we estimated the burn history of the habitat based on visual indicators, particularly the amount of understory regrowth and trunk scorching (Artman and Downhower 2003). We characterized each site as either < 6 months, 6-18 months, or > 18 months since the last burn.…”

Section: Meso Scale (10-m Radius)mentioning

confidence: 99%

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Nest site characteristics of the Critically Endangered Bahama Oriole (<em>Icterus northropi</em>)

Yancy,

Antalffy,

Rowley

et al. 2020

JCO

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The Bahama Oriole (Icterus northropi) is a Critically Endangered species restricted to Andros in The Bahamas. Previous research suggested that the Bahama Oriole nested almost exclusively in coconut palms (Cocos nucifera) in developed habitats. In 2016, however, the Bahama Oriole was documented nesting in remote pine forests for the first time. Our goals were to document where orioles nest in pine forests and to characterize nest site vegetation to determine if orioles show a preference for specific habitat characteristics. Here, we document 12 pine forest nests: six nests in understory Key thatch palms (Leucothrinax morrisii) and six nests in Caribbean pines (Pinus caribaea). For each nest tree, we measured the tree height, tree diameter, and nest height. We also took measurements of habitat characteristics in 10-m and 100-m radius plots around the nest and compared these measurements to control plots. Orioles nested in a range of pine forest habitats. However, on average, Bahama Orioles nested in pine forests with more tall thatch palms (> 2 m tall) in the understory compared to control plots. They also tended to nest in the tallest thatch palms in the understory. The findings from this study further support the importance of protecting Bahamian pine forests on Andros. Keywords Bahama Oriole, endangered species, Icterus northropi, nesting habitat, The Bahamas Resumen Características del sitio de nidificación de Icterus northropi, especie En Peligro Crítico • Icterus northropi es una especie En Peligro Crítico restringida a Andros en las Bahamas. Investigaciones previas sugirieron que dicha especie nidificaba, casi de manera exclusiva, en cocoteros (Cocos nucifera) en entornos urbanizados. Sin embargo, en 2016 se documentó por primera vez que esta especie nidifica en pinares remotos. Nuestros objetivos fueron detectar los sitios de nidificación de estas aves en los pinares y caracterizar la vegetación circundante para determinar si esta especie muestra una preferencia por características específicas del hábitat. Documentamos 12 nidos en pinares: seis en el sotobosque de palmeras (Leucothrinax morrisii) y seis en en pinos (Pinus caribaea). Para cada árbol con nido medimos la altura del árbol, su diámetro y la altura del nido. También tomamos medidas de las características del hábitat en parcelas de 10 y 100 m de radio alrededor del nido y comparamos estas mediciones con parcelas de control. Las aves observadas nidificaron en una variedad de hábitats en los pinares. Sin embargo, en promedio, los individuos de esta especie anidaron en pinares con un sotobosque de palmeras más altas (más de 2 m de altura) comparadas con las de las parcelas de control. También tendieron a nidificar en las palmeras más altas del sotobosque. Los resultados de este estudio reafirman la importancia de proteger los pinares de las Bahamas en Andros. Palabras clave Bahamas, especie amenazada, hábitat de nidificación, Icterus northropi Résumé Caractéristiques des sites de nidification de l’Oriole des Bahamas (Icterus northropi), une espèce en danger critique d’extinction • L’Oriole des Bahamas (Icterus northropi) est une espèce en danger critique d’extinction, présente uniquement sur Andros aux Bahamas. Des recherches antérieures indiquaient qu’il nichait presque exclusivement dans les cocotiers (Cocos nucifera) des habitats anthropisés. En 2016, la nidification de l’espèce a cependant été observée pour la première fois dans des forêts de pins reculées. Notre objectif était de recueillir des informations sur les sites de nidification de l’Oriole des Bahamas dans ces pinèdes et d’en caractériser la végétation pour déterminer si cet oiseau montre une préférence pour certaines caractéristiques de l’habitat. Nous documentons ici 12 nids dans des forêts de pins: six dans le sous-étage de palmiers (Leucothrinax morrisii) et six dans les pins des Caraïbes (Pinus caribaea). Pour chaque arbre abritant un nid, nous avons mesuré la hauteur et le diamètre de l’arbre ainsi que la hauteur du nid. Nous avons également mesuré des caractéristiques de l’habitat dans des rayons de 10 m et de 100 m autour du nid et nous avons comparé ces mesures à celles des parcelles témoins. Les orioles nichaient dans divers habitats de pinèdes. Cependant, ils nichaient en moyenne dans des pinèdes présentant un sous-étage de palmiers plus élevé que dans les parcelles témoins (> 2 m de haut). Ils avaient aussi tendance à nicher dans les plus hauts palmiers du sous-étage. Les résultats de cette étude confirment encore l’importance de protéger les forêts de pins d’Andros aux Bahamas. Mots clés Bahamas, espèce en danger, habitat de nidification, Icterus northropi, Oriole des Bahamas

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Role of topography, canopy structure, and floristics in nest-site selection and nesting success of canopy songbirds

Newell

Rodewald

2011

Forest Ecology and Management

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Wood Thrush (Hylocichla Mustelina) Nesting Ecology in Relation to Prescribed Burning of Mixed-Oak Forest in Ohio

Cited by 13 publications

References 11 publications

Multiscale habitat suitability index models for priority landbirds in the Central Hardwoods and West Gulf Coastal Plain/Ouachitas Bird Conservation Regions

Multiscale habitat suitability index models for priority landbirds in the Central Hardwoods and West Gulf Coastal Plain/Ouachitas Bird Conservation Regions

Nest site characteristics of the Critically Endangered Bahama Oriole (<em>Icterus northropi</em>)

Role of topography, canopy structure, and floristics in nest-site selection and nesting success of canopy songbirds

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