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69 results for “Hirundo rustica”
Figura 9 in geográfica fusca Actualización y ampliación de la distribución reproductiva de tres especies de golondrinas en la Patagonia (Progne tapera , Tachycineta leucopyga y Hirundo rustica erythrogaster, Passeriformes: Hirundinidae) y aspectos observados durante el período de cría
Figura 9. Ubicación geográfica de registros reproductivos de Progne tapera fusca en la Patagonia: (Íconos amarillos numerados = este trabajo) Amplían su rango geográfico reproductivo austral hacia el oeste, y al sur del noreste de Chubut, siendo las primeras evidencias publicadas para Neuquén y Río Negro; (Íconos verdes numerados = este trabajo) Registros de Territorialidad; (Íconos negros) Citas/evidencias publicadas donde (S/D) = Sin Datos; (S/E) = Sin Evidencia; (C/E) = Con Evidencia). Información de c/ lugar, ver Tabla 1.
Figura 6 in geográfica fusca Actualización y ampliación de la distribución reproductiva de tres especies de golondrinas en la Patagonia (Progne tapera , Tachycineta leucopyga y Hirundo rustica erythrogaster, Passeriformes: Hirundinidae) y aspectos observados durante el período de cría
Figura 6. Evidencia reproductiva más septentrional de Tachycineta leucopyga para Argentina, provincia del Neuquén, ANP Lagunas de Epulauquen, dpto. Minas (Fig. 10): A a C) Adulto parental, extrayendo saco fecal del nido (ubicado en hueco de Roble pellín), y alimentando a una de sus crías; D) Cuatro polluelos asomados a la boca del nido con no mas de tres semanas de vida. 02 de febrero de 2023; E) Árbol hospedante y ambiente (bosque de roble pellín); F) Adulto parental en estado de vigilia del nido. Fotografías: M. Bianchini.
Figura 5 in geográfica fusca Actualización y ampliación de la distribución reproductiva de tres especies de golondrinas en la Patagonia (Progne tapera , Tachycineta leucopyga y Hirundo rustica erythrogaster, Passeriformes: Hirundinidae) y aspectos observados durante el período de cría
Figura 5. Detalles de aspectos fisonómicos de polluelos volantones de Progne tapera fusca: A) Coloración del pico y del párpado; B) Dimensiones relativas de longitud de plumas de alas y de timoneras; C) Coloración general del plumaje. 11 de enero de 2018. Fotografías: M. Bianchini.
Figure 11 in geográfica fusca Actualización y ampliación de la distribución reproductiva de tres especies de golondrinas en la Patagonia (Progne tapera , Tachycineta leucopyga y Hirundo rustica erythrogaster, Passeriformes: Hirundinidae) y aspectos observados durante el período de cría
Figure 11. Geographic location of reproductive records of Hirundo rustica erythrogaster in northern Patagonia: (Yellow icons = this work) Extreme maximum values of its altitudinal range for South America (Places 1 and 2), and complement of its reproductive geographic advance (Places 3 and 4) with respect to the published evidence of both higher altitudes in South America and more north-western in Neuquén (black icons = in Bianchini (2023)).
Figura 8 in geográfica fusca Actualización y ampliación de la distribución reproductiva de tres especies de golondrinas en la Patagonia (Progne tapera , Tachycineta leucopyga y Hirundo rustica erythrogaster, Passeriformes: Hirundinidae) y aspectos observados durante el período de cría
Figura 8. Evidencias reproductivas más nor-occidentales de Hirundo rustica erythrogaster para la provincia del Neuquén, Argentina, sobre RN40, dpto. Loncopué: A) Único nido con tres polluelos recién nacidos, 30 de enero de 2023; B) Mismo nido con signos de crianza, aprecie las heces en el suelo de camadas anteriores; C) Mismos polluelos con una semana de vida, 05 de febrero de 2023; D) Alcantarilla y entorno (Lugar 3 de Tabla 2 y de Fig. 11); E) Nido vacío; F) Con signos de crianza de anterior camada, 05 de febrero de 2023. (Lugar 4 de Tabla 2 y de Fig. 11). Fotos. Mauro Bianchini.
Figure 7 in geográfica fusca Actualización y ampliación de la distribución reproductiva de tres especies de golondrinas en la Patagonia (Progne tapera , Tachycineta leucopyga y Hirundo rustica erythrogaster, Passeriformes: Hirundinidae) y aspectos observados durante el período de cría
Figure 7. Extreme reproductive evidence of its altitudinal range for South America of Hirundo rustica erythrogaster, Río Negro province, Patagonia, Argentina: A and B) Nest and environment. Bajo del Gualicho, dept. Gral. Conesa, november 22, 2021 (Place 1 of Table 2 and Fig. 11). Photo. G. Amico; C and D) Incubating individual and environment. Somuncurá plateau, dept. Valcheta, march 2, 2023 (Place 2 of Table 2 and Fig. 11). Photos: L. Sympson and G. Amico respectively.
Figura 2 in geográfica fusca Actualización y ampliación de la distribución reproductiva de tres especies de golondrinas en la Patagonia (Progne tapera , Tachycineta leucopyga y Hirundo rustica erythrogaster, Passeriformes: Hirundinidae) y aspectos observados durante el período de cría
Figura 2. Primeras evidencias de reproducción de Progne tapera fusca para la provincia del Neuquén. Dpto. Confluencia (Lugares 3, 4 y 5 de Tabla 1, Fig. 9): Polluelos y juveniles de tres de los seis nidos de Furnarius rufus relevados en la Ciudad capital provincial. A) Polluelo de dos semanas de vida, 07 de marzo de 2016; B) Polluelos de tres semanas de vida, 10 de enero de 2018; C) Juveniles de más de cuatro semanas, 11 de enero de 2017; D) Polluelo asomado a la boca del nido de Furnarius rufus; E) Adulto alimentándolo. Alrededores de la presa El Chocón, 04 de marzo de 2016; F) Tres juveniles y uno de los adultos parentales (derecha). Zona urbana de Plaza Huincul, 19 de febrero de 2019; G) Vista del lugar 3. Fotografías: M. Bianchini.
Figura 4 in geográfica fusca Actualización y ampliación de la distribución reproductiva de tres especies de golondrinas en la Patagonia (Progne tapera , Tachycineta leucopyga y Hirundo rustica erythrogaster, Passeriformes: Hirundinidae) y aspectos observados durante el período de cría
Figura 4. Evidencias de cuidado parental de Progne tapera fusca durante su período reproductivo en el noroeste de la Patagonia, Argentina (Lugar 3 de Tabla 1 y Fig. 9): A) Extracción de sacos fecales, 05 de marzo de 2016; B y C) Alimentación, abeja europea (Apis mellifera) 05 de marzo de 2016, y anisóptero (libélula) 24 de diciembre de 2016; D y E) En pleno suministro alimenticio, 07 de enero de 2018 y 13 de enero de 2017; F) Estado de vigilia del nido. 13 de marzo de 2016. Fotografías: M. Bianchini.
Figura 1 in geográfica fusca Actualización y ampliación de la distribución reproductiva de tres especies de golondrinas en la Patagonia (Progne tapera , Tachycineta leucopyga y Hirundo rustica erythrogaster, Passeriformes: Hirundinidae) y aspectos observados durante el período de cría
Figura 1. Primeras evidencias publicadas de reproducción de Progne tapera fusca para la provincia de Río Negro, 26 de diciembre de 2015: A) Adulto alimentando a un polluelo en nido de Furnarius rufus; B) Cuidado parental, alimentando y vigilando el área. Chimpay. Dpto. Avellaneda; C) Grupo familiar, posado en tendido eléctrico, próximo a su nido (izq.); D) Uno de los juveniles. RN 250, dpto. Conesa. Fotografías: M. Bianchini. (Lugares 1 y 2 de Tabla 1, Fig. 9).
Fig. 5 in Barn Swallows Hirundo rustica in Peninsular Malaysia: urban winter roost counts after 50 years, and dietary segregation from house-farmed swiftlets Aerodramus sp.
Fig. 5. Diet distribution of swallows and house-farmed swiftlets at Bentong identified by NGS molecular analysis.
Fig. 1 in Barn Swallows Hirundo rustica in Peninsular Malaysia: urban winter roost counts after 50 years, and dietary segregation from house-farmed swiftlets Aerodramus sp.
Fig. 1. (Left) Map of Peninsular Malaysia, with an enlarged plan of Pahang State; the circle indicates the study area, Bentong District. (Right) Google view of Bentong municipality, showing old town centre (red) and suburbs where house-farmed swiftlet colonies (blue) were counted.
Fig. 2 in Barn Swallows Hirundo rustica in Peninsular Malaysia: urban winter roost counts after 50 years, and dietary segregation from house-farmed swiftlets Aerodramus sp.
Fig. 2. Swallows roosting on utility wires along streets of the Bentong town centre. Pacific Swallows, recognisable from below by the grey belly, were present in very low numbers during the passage and wintering period.
Fig. 4 in Barn Swallows Hirundo rustica in Peninsular Malaysia: urban winter roost counts after 50 years, and dietary segregation from house-farmed swiftlets Aerodramus sp.
Fig. 4. Comparative diets of swallows and house-farmed swiftlets in Bentong, identified by morphological analysis.
Fig. 3 in Barn Swallows Hirundo rustica in Peninsular Malaysia: urban winter roost counts after 50 years, and dietary segregation from house-farmed swiftlets Aerodramus sp.
Fig. 3. Number of Barn Swallows in the urban roost in Bentong town, Pahang, in 2015–16 and averaged for 1966–68.
Barn Swallows (Hirundo rustica) in East Asia show strong tolerance against nest mites
<p>Hosts defend against parasites through two main strategies: resistance and tolerance. These two strategies have different influences on the parasite load of the host and so have variable effects on the fitness of parasites. In this study, we investigated the strategy used by the Barn Swallow (Hirundo <em>rustica</em>) to defend against a haematophagous mite (<em>Dermanyssus</em> <em>hirundinis</em>) in East Asia. For the first time, we found Barn Swallows were parasitized by <em>D</em>. <em>hirundinis</em> in Asia and, in north-eastern China, over 60% of broods were parasitized. We examined whether swallows with better body condition or the males with more extravagant sexually selected traits (longer tail streamers or redder ventral plumage) showed stronger resistance or tolerance to these parasites. The results showed that males with more extravagant sexual ornaments had weaker resistance (heavier brood mite load) than males with less extravagant traits; however, the heavier mite load was likely to be a by-product of larger brood size. Moreover, the Barn Swallow population showed strong tolerance against the parasite, i.e., the brood mite load did not affect brood size or nestling body mass. It is worth noting that male swallows with redder breast plumage showed weaker tolerance (lower seasonal reproductive success) than other males. Further, we conducted experimental ectoparasite manipulations in 46 Barn Swallow nests to verify the potential effect of these parasites on the body condition of nestlings. Neither the body mass nor the hemoglobin concentration differed between the designed groups; however, the hemoglobin concentration of nestlings decreased with mite load. We concluded that the Barn Swallow population in East Asia used the tolerance strategy, rather than resistance to defend against nest mites, and the ectoparasitic mite did not appear to be a strong selective factor for reproductive success owing to the strong tolerance of the studied Barn Swallow population. </p>
Barn Swallows (Hirundo rustica) in East Asia show strong tolerance against nest mites
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Barn Swallow (Hirundo rustica) fledglings use crop habitat more frequently in relation to its availability than pasture and other habitat types
Populations of birds that forage on aerial insects have been declining across North America for several decades, but the main causes of and reasons for geographical variation in these declines remains unclear. We examined the habitat use and survival of post-fledging Barn Swallows (Hirundo rustica), near Vancouver, BC, Canada using VHF radio telemetry. We predicted that fledgling Barn Swallows hatched in higher quality natal habitat (pasture) would fledge at higher quality, stay closest to the nest, disproportionately use higher-quality habitat during the post-fledge stage and have higher survival rates in the region. Contrary to our predictions, we found that natal habitat (crop, pasture or non-agriculture) had no effect on fledgling quality or movement distance. Barn Swallow fledglings used crop habitat more frequently in relation to its availability than other habitat types, including pasture. Barn Swallows had low post-fledging survival rates (0.44; 95% CI: 0.35-0.57), which could negatively influence the population trend of the species in this region. While natal habitat had only minor effects, crop habitat appears to be important for fledgling Barn Swallows and therefore a decline in this habitat type could have further negative implications for an already declining species.
Hirundo rustica (Hirundinidae) - unspecified
Image of Hirundo rustica (Hirundinidae) - unspecified
Hirundo rustica (Hirundinidae) - nest
Image of Hirundo rustica (Hirundinidae) - nest
The impact of urbanization on body size of Barn Swallows Hirundo rustica gutturalis
<p><span><span><span><span><span><span><span><span><span><span><span>Urbanization implies a dramatic impact on ecosystems, which may lead to drastic phenotypic differences between urban and non-urban individuals. For instance, urbanization is associated with increased metabolic costs, which may constrain body size, but urbanization also leads to habitat fragmentation, which may favour increases in body mass when for instance it correlates with dispersal capacity. However, this apparent contradiction has rarely been studied. This is particularly evident in China where the urbanization process is currently occurring at an unprecedented scale. Moreover, no study has addressed this issue across large geographical areas encompassing locations in different climates. In this regard, Barn Swallows (<i>Hirundo rustica</i>) are a suitable model to study the impact of urbanization on wild animals because they are a widely distributed species tightly associated with humans. Here, we collected body mass and wing length data for 359 breeding individuals of Barn Swallow (<i>H. r. gutturalis</i>) from 128 sites showing different levels of urbanization around the whole China. Using a set of linear mixed-effects models, we assessed how urbanization and geography influenced body size measured using body mass, wing length and their regression residuals. Interestingly, we found that the impact of urbanization was sex-dependent, negatively affecting males' body mass, its regression residuals, and females' wing length. We also found that northern and western individuals were larger, regarding both body mass and wing length, than southern and eastern individuals. Females were heavier than males, yet males had slightly longer wings than females. Overall, our results showed that body mass of males was particularly sensitive trait to urbanization, latitude and longitude, while it only showed a weak response to latitude in females. Conversely, while wing length showed a similar geographical pattern, it was only affected by urbanization in the case of females. Further research is needed to determine if these phenotypic differences are associated with negative effects of urbanization or potential selective advantages.</span></span></span></span></span></span></span></span></span></span></span></p>
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