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113 results for “breeding ecology”
Figure 5 in Breeding ecology of Eurasian bullfinches Pyrrhula pyrrhula in an Iberian hedgerow habitat
Figure 5. Spring-summer relative abundance of proven and potential predators of Iberian bullfinches in NW Spain, for a 78 ha plot. Pooled data for 2001–2006. Spring: March to May. Summer: June to August. Sighting rate was estimated as the average number of individuals seen per field trip (summation of individuals/number of field trips) multiplied by 10. n: number of field trips.
Figure 3 in Breeding ecology of Eurasian bullfinches Pyrrhula pyrrhula in an Iberian hedgerow habitat
Figure 3. Monthly distribution of clutch size in Iberian bullfinches in NW Spain. The month refers to when the clutch was completed. n: total number of complete clutches per month. Monthly mean clutch size ± SD. Pooled data for 2001–2005.
Figure 1 in Breeding ecology of Eurasian bullfinches Pyrrhula pyrrhula in an Iberian hedgerow habitat
Figure 1. Monthly variation in signs of probable breeding of Iberian bullfinches in NW Spain, by direct observation. Nest building and subsequent nest attendance are excluded. Mate-feeding refers to male feeding a female. Courtship display refers to mutual dance and caressing. Twig-display refers to partners showing nest material to one another. n: total records per month. In brackets: number of records per field trip (31 field trips in March, 33 in April, 49 in May, 49 in June, 54 in July, 52 in August). Some individuals showed more than one sign uninterruptedly, thus the 114 grand total records correspond to 97 sightings. Pooled data for 2001–2006.
Figure 2 in Breeding ecology of Eurasian bullfinches Pyrrhula pyrrhula in an Iberian hedgerow habitat
Figure 2. Temporal variation in Iberian bullfinch breeding stage, in 10-day periods, in NW Spain. For each nest, only one record of a specific breeding stage in a determined 10-day period is considered. They are records for 58 nests (56 found; 2 being built, not found). Pooled data for 2001–2006.
Figure 10 in Breeding ecology of Eurasian bullfinches Pyrrhula pyrrhula in an Iberian hedgerow habitat
Figure 10. Mean number of dependent young Iberian bullfinches per record in NW Spain, in relation to sex involved in parental care and month. Young individuals observed outside the nest were considered. n: number of records. Records of dependent young include records of adults feeding young. Each record refers to only one or several young individuals together, linked to one or two (pair) adult individuals which were definitely or very likely their parents. Records in which it was not possible to determine the number of young bullfinches with accuracy were discarded. Pooled data for 2001–2006.
Figure 7 in Breeding ecology of Eurasian bullfinches Pyrrhula pyrrhula in an Iberian hedgerow habitat
Figure 7. Yearly proportion of Iberian bullfinch juveniles and adults in NW Spain, according to August sightings. n: total number of identified individuals regarding age. Most juveniles had not started moult. Adults refer to males and females in adult plumage, which could have been non-moulting adults, moulting adults or (highly improbable) juveniles already moulted.
Figure 4 in Breeding ecology of Eurasian bullfinches Pyrrhula pyrrhula in an Iberian hedgerow habitat
Figure 4. Iberian bullfinch nest success in relation to the month (above) and year (below) when success or failure was recorded, in NW Spain.
Figure 9 in Breeding ecology of Eurasian bullfinches Pyrrhula pyrrhula in an Iberian hedgerow habitat
Figure 9. Monthly variation in sex differences in parental care for young Iberian bullfinches outside the nest in NW Spain, by direct observation. Records of dependent young include records of adults feeding young. Each record refers to only one or several young individuals together, linked to one or two (pair) adult individuals which were definitely or very likely their parents. Pooled data for 2001–2006.
Figure 6 in Breeding ecology of Eurasian bullfinches Pyrrhula pyrrhula in an Iberian hedgerow habitat
Figure 6. Yearly proportion of young Iberian bullfinches that left the nest in relation to number of eggs laid in complete clutches in NW Spain.
Nonideal nest box selection by tree swallows breeding in farmlands: evidence for an ecological trap?
<p>Animals are expected to select a breeding habitat using cues that should reflect, directly or not, the fitness outcome of the different habitat options. However, human-induced environmental changes can alter the relationships between habitat characteristics and their fitness consequences, leading to maladaptive habitat choices. The most severe case of such nonideal habitat selection is the ecological trap, which occurs when individuals prefer to settle in poor-quality habitats while better ones are available. Here we studied the adaptiveness of nest box selection in a tree swallow (<i>Tachycineta bicolor</i>) population breeding over a 10-year period in a network of 400 nest boxes distributed along a gradient of agricultural intensification in southern Québec, Canada. We first examined the effects of multiple environmental and social habitat characteristics on nest box preference to identify potential settlement cues. We then assessed the links between those cues and habitat quality as defined by the reproductive performance of individuals that settled early or late in nest boxes. We found that tree swallows preferred nesting in open habitats with high cover of perennial forage crops, high spring insect biomass, and high density of house sparrows (<i>Passer domesticus</i>), their main competitors for nest sites. They also preferred nesting where the density of breeders and their mean number of fledglings during the previous year were high. However, we detected mismatches between preference and habitat quality for several environmental variables. The density of competitors and conspecific social information showed severe mismatches, as their relationships to preference and breeding success went in opposite direction under certain circumstances. Spring food availability and agricultural landscape context, while related to preferences, were not related to breeding success. Overall, our study emphasizes the complexity of habitat selection behavior and provides evidence that multiple mechanisms may potentially lead to an ecological trap in farmlands. </p>
Data from: Environmental quality mediates the ecological dominance of cooperatively breeding birds
<p>Code and data associated with the publication: Lin, YH. et al. (2023) Environmental quality mediates the ecological dominance of cooperatively breeding birds. Ecology Letters, in press.</p>
Eye size and investment in frogs and toads correlate with adult habitat, activity pattern and breeding ecology
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Nonideal nest box selection by tree swallows breeding in farmlands: evidence for an ecological trap?
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Temperature and rainfall shape the breeding ecology of Barn Swallows Hirundo rustica in an arid region
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Data from: Timing of breeding in an ecologically trapped bird
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Data from: Ecological causes and consequences of intratropical migration in temperate-breeding migratory birds
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Data from: Multiple stressors in a top predator seabird: potential ecological consequences of environmental contaminants, population health and breeding conditions
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Data from: Variable helper effects, ecological conditions, and the evolution of cooperative breeding in the acorn woodpecker
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Data from: Resolving the paradox of environmental quality and sociality: the ecological causes and consequences of cooperative breeding in two lineages of birds
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Climate effects on the breeding ecology of pied flycatchers at the north of their range
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.