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203 results for “bird nest”
FIGURES 4–7 in Insects found in birds' nests from Argentina: Anumbius annumbi (Vieillot, 1817) (Aves: Furnariidae)
FIGURES 4–7. Beds found inside the nests of A. annumbi: 4, original bed of A. annumbi; 5–6, beds of S. phryganophila (inquiline bird), mainly build with spiders´cocoons (5, nest # 16, 3-XII-05; 6, nest # 18, 6-II-06, with a chick probably dead by Philornis larvae); 7, bed from La Pampa, 30-XI-2007, probably of Pitangus sulphuratus (7a, lateral view; 7b, seen from above). See measurements in section IV.
FIGURES 2–3 in Insects found in birds' nests from Argentina: Anumbius annumbi (Vieillot, 1817) (Aves: Furnariidae)
FIGURES 2–3. Nests of Anumbius annumbi from Buenos Aires (Campo de Mayo): 2, a single nest on Gleditsia triacanthos during winter; 3, two superimposed nests on Celtis tala at the beginning of spring.
FIGURE 1 in Insects found in birds' nests from Argentina: Anumbius annumbi (Vieillot, 1817) (Aves: Furnariidae)
FIGURE 1. Geographic distribution of Anumbius annumbi in South America (modified from InfoNature 2005). Localities where the insect fauna in the nests was sampled are indicated by red dots, from north to south: Arroyo Leyes (Santa Fe); Sauce Viejo (Santa Fe); Route 14 (km 101) and way to Colonia Los Ceibos (Entre Ríos); Campo de Mayo (Buenos Aires); Santa Rosa (La Pampa). Localities where other insects has been previously mentioned in literature (summarized by Turienzo & Di Iorio 2007) are indicated by yellow dots.
FIGURES 16–20 in Insects found in birds' nests from Argentina. Cyanoliseus patagonus (Vieillot, 1818) [Aves: Psittacidae], with the description of Cyanolicimex patagonicus, gen. n., sp. n., and a key to the genera of Haematosiphoninae (Hemiptera: Cimicidae)
FIGURES 16–20. Psitticimex uritui: 16, antennae, head, and pronotum (female); 17, pronotal margin; 18, male genitalia; 19, female spermalege; 20, tibia III.
FIGURE 8 in Insects found in birds' nests from Argentina. Cyanoliseus patagonus (Vieillot, 1818) [Aves: Psittacidae], with the description of Cyanolicimex patagonicus, gen. n., sp. n., and a key to the genera of Haematosiphoninae (Hemiptera: Cimicidae)
FIGURE 8. Phylogeny of the Haematosiphoninae, with the incorporation of Cyanolicimex as the sister genus of Psitticimex.
FIGURES 13–15 in Insects found in birds' nests from Argentina. Cyanoliseus patagonus (Vieillot, 1818) [Aves: Psittacidae], with the description of Cyanolicimex patagonicus, gen. n., sp. n., and a key to the genera of Haematosiphoninae (Hemiptera: Cimicidae)
FIGURES 13–15. Acanthocrios furnarii: 13, antennae, head, and pronotum (female); 14, pronotal margin; 15, male genitalia (laboratory culture, coll. Usinger).
FIGURES 2–7 in Insects found in birds' nests from Argentina. Cyanoliseus patagonus (Vieillot, 1818) [Aves: Psittacidae], with the description of Cyanolicimex patagonicus, gen. n., sp. n., and a key to the genera of Haematosiphoninae (Hemiptera: Cimicidae)
FIGURES 2–7. Cyanolicimex patagonus: 2, antennae, head, and pronotum (female Holotype); 3–4, pronotal margin; 5, spermalege (female Holotype); 6, tibia III; 7, male genitalia (Paratype).
FIGURE 1 in Insects found in birds' nests from Argentina. Cyanoliseus patagonus (Vieillot, 1818) [Aves: Psittacidae], with the description of Cyanolicimex patagonicus, gen. n., sp. n., and a key to the genera of Haematosiphoninae (Hemiptera: Cimicidae)
FIGURE 1. Geographic distribution of Cyanoliseus patagonus in Argentina (modified from Darrieu 1980). a) Buenos Aires province, according to Narosky & Di Giacomo (1993); b) La Pampa province, according to Siegenthaler et al. (2004); c) breeding and non breeding areas, according to InfoNatura (2005). Parrot colony of El Condor (type locality of Cyanolicimex patagonicus) is indicated by a red area.
FIGURES 9–12 in Insects found in birds' nests from Argentina. Cyanoliseus patagonus (Vieillot, 1818) [Aves: Psittacidae], with the description of Cyanolicimex patagonicus, gen. n., sp. n., and a key to the genera of Haematosiphoninae (Hemiptera: Cimicidae)
FIGURES 9–12. Ornitocoris toledoi: 9, antennae, head, and pronotum (female); 10, pronotal margin; 11 head (detail); 12, male genitalia.
FIGURES 21–27 in Insects found in birds' nests from Argentina. Cyanoliseus patagonus (Vieillot, 1818) [Aves: Psittacidae], with the description of Cyanolicimex patagonicus, gen. n., sp. n., and a key to the genera of Haematosiphoninae (Hemiptera: Cimicidae)
FIGURES 21–27. Apical tuft of hairs of tibiae: 21–24: Acanthocrios furnarii: 21–22, male: 21, tibia I; 22, tibia II; 23– 24, female: 23, tibia I; 24, tibia II; 26–27, Ornithocoris toledoi (male), tibia II and III; 27, Cyanolicimex patagonicus (male), tibia I.
FIGURE 2 in Addenda to the insects found in birds' nests from the Neotropical Region and Neotropical immigrants in the Nearctic Region, with a discussion of the probable transmission mechanism of Ornithocoris toledoi (Hemiptera: Cimicidae)
FIGURE 2. Cavity nesting birds in earth. Green color, primary builders; pale yellow color, inquilines; orange color and tick frame, known host of O. pallidus; violet color, host of Cyanolicymex patagonicus. All relationships among birds were extracted from ornithological literature. See explanation in Discussion.
FIGURE 1 in Addenda to the insects found in birds' nests from the Neotropical Region and Neotropical immigrants in the Nearctic Region, with a discussion of the probable transmission mechanism of Ornithocoris toledoi (Hemiptera: Cimicidae)
FIGURE 1. Probable transmission mechanism of Ornithocoris toledoi (Hemiptera: Cimicidae): left frame, birds that nidificate inside stick nests of Furnariidae and mud nests of Furnarius rufus; right frame, birds that nidificate inside cavities; middle frame, birds that nidificate in both kind of nests. Green color, primary builders; pale yellow color, inquilines; orange color and tick frame, known hosts of O. toledoi. All relationships among birds were extracted from ornithological literature. Species signaled with an asterisk are exotic. See explanation in Discussion.
FIGURE 3 in Insects found in birds' nests from Argentina: cytogenetic studies in Cimicidae (Hemiptera) and its taxonomical and phylogenetic implications
FIGURE 3. Phylogeny on the origin and evolution of the species of the subfamily Haematosiphoninae (modified from Usinger 1966, and Di Iorio & Turienzo 2009) based on their morphological and cytogenetic characteristics, and habitats (diploid autosomal number, sex chromosome system, chromosomal rearrangements, bird's hosts). Primary birds' hosts: Apodidae (A), Hirundinidae (H), Psittacidae (P), and raptor birds (R). Asterisks: taxa with unknown chromosome numbers.
FIGURE 2 in Insects found in birds' nests from Argentina: cytogenetic studies in Cimicidae (Hemiptera) and its taxonomical and phylogenetic implications
FIGURE 2. Male meiotic chromosomes of Psiticimex uritui: a, prometaphase I; b, metaphase I; c, metaphase II. Arrows: sex chromosomes. N: nucleolus. Chromosomes are stained with 2 % iron acetic haematoxylin. Bar = 10 µm.
Digital records of Brown-headed Cowbirds removing eggs and nestlings from nests of grassland passerine birds in southwest Wisconsin
<p>We present digital recordings from video surveillance systems at nests of grassland birds. Video surveillance systems were used as part of grassland bird studies done in southwestern Wisconsin. Study sites were clustered near Mt. Horeb (43.0167°N, 89.7500°W). Four grassy field types were studied: continuously-grazed pasture, prairie, and cool- and warm-season grass fields. The digital recordings archived here were used to document egg and nestling destruction by the Brown-headed Cowbird (<em>Molothrus ater</em>).</p>
Determinants of nest box local recruitment and natal dispersal in a declining bird population
<p>Recruitment and dispersal are important demographic rates and studying their determinants is particularly important in the current context of global anthropogenic perturbations. In birds, and especially for migratory species, assessing these rates is challenging because of the difficulties involved in tracking individuals beyond fledging. Here we assessed the determinants of nest box local recruitment and natal dispersal distances in a declining aerial insectivore, the Tree swallow (<em>Tachycineta bicolor</em>). We used a 16-year dataset obtained from the long-term monitoring of a population breeding within a 10,200-km<sup>2</sup> study system located along a gradient of agricultural intensification in southern Québec, Canada. Yearly nest box local recruitment rates ranged there in between 1.0% and 3.2%. Heavier nestlings who fledged earlier were more likely to recruit. Natal dispersal distances were generally short (mean ± SD = 12.7 ± 13.8 km) in the study system and were influenced by different factors depending on sex. Females dispersed over shorter distances when conspecific occupancy on breeding site was high, while males dispersed farther in the presence of competing House sparrows (<em>Passer domesticus</em>) and when their mother was young. Selection of breeding locations appeared to take place at multiple scales and individuals recruited in sites with characteristics similar to their natal sites. Our results provide important information concerning the factors influencing nest box local recruitment and natal dispersal dynamics of this migratory species. These factors should be considered in conservation practices for this species in order to support production of recruits in habitats favorable to their survival.</p>
Kin do not always help: testing multiple hypotheses on nest feeding in a cooperatively breeding bird
<p>In cooperatively breeding species, group members may derive multiple benefits from helping to raise other individuals' offspring, yet not all individuals do so. In this study, we tested several hypotheses to explain why group members feed offspring of breeding placid greenbuls (Phyllastrephus placidus). In accordance with the kin selection hypothesis, all helpers were first-order kin of the breeding female and the presence of helpers was associated with increased survival of the breeding pair. However, the propensity to help varied widely among group members, as 46% of group members related to the breeding female did not feed nestlings. Sex, relatedness to the breeding male, and group size did not explain additional variation in helping propensity or effort, however, younger helpers fed offspring more often than older ones. Overall, our results show mixed support for predictions of the group augmentation hypothesis, while predictions of the pay-to-stay hypothesis and skills hypothesis were not supported. We suggest that costs associated with providing food to nestlings, and benefits of other types of helping behavior (e.g. anti-predator behavior), may jointly explain why members of breeding groups often refrain from helping at the nest.</p>
Molecular systematics and taxonomic overview of the bird's nest fungi (Nidulariaceae)
<p>Fungi in the Nidulariaceae, otherwise known as 'bird's nest fungi', are among the least studied groups of Agaricomycetes (Basidiomycota). Bird's nest fungi are globally distributed and typically grow on woody debris or animal dung as saprotrophs. This group of fungi is morphologically diverse, and ca. 180 different species have been described. Phylogenetic relationships of bird's nest fungi were investigated with Maximum Likelihood and Bayesian analyses of four commonly used loci (ITS, LSU, <i>tef</i>, and <i>rpb2</i>). The family was resolved as a monophyletic group with Psathyrellaceae and Squamanitaceae as potential sister taxa. Specimens identified as <i>Cyathus </i>and <i>Crucibulum </i>formed well-supported clades. <i>Nidula </i>and<i> Nidularia </i>together are monophyletic. Two<i> Mycocalia</i> species studied are on their own separate branches. Misidentifications were detected in most genera<i>. </i>Common bird's nest fungi species<i> </i>have global geographical distributions whereas rarer species may have more limited ranges. Our data also indicate that basic morphological characters of bird's nest fungi have likely been lost or gained multiple times. The relationships among genera of bird's nest fungi remain largely unresolved and the sister lineage of bird's nest fungi is still unclear. Further studies with data from rare species and additional informative loci are needed to resolve the topology of this family and to identify a sister group with more certainty. We also provide a detailed morphological comparison to differentiate the five currently accepted genera of Nidulariaceae.</p>
The abundance of small mammals is positively linked to survival from nest depredation but negatively linked to local recruitment of a ground nesting precocial bird
<p>Generalist predators using small mammals as their primary prey are suggested to shift hunting alternative prey such as bird nests, when small mammals are in short supply (the alternative prey hypothesis, APH). Nest survival and survival of young individuals should be positively linked to small mammal abundance and negatively linked to predator abundance, but little information exists from survival of chicks, especially until recruitment. We test these predictions of the APH using 13 years (2002-2014) of life history data from a ground nesting shorebird breeding on coastal meadows. We use small mammal abundance in the previous autumn as a proxy for spring predator abundance, mainly of mammalian predators. We examine whether small mammal abundance in the spring and previous autumn explain annual variation in nest survival from depredation and local recruitment of the southern dunlin Calidris alpina schinzii. As predicted by the APH, survival from nest predation was positively linked to spring small mammal abundance and negatively linked to autumn small mammal abundance. Importantly, local recruitment showed opposite responses. This counterintuitive result may be explained by density dependent survival. When nest depredation rates are low, predators may show stronger numerical and functional responses to high shorebird chick abundance on coastal meadows, whereas in years of high nest depredation, few hatching chicks lure fewer predators. The opposite effects on nest and local recruitment demonstrate the diverse mechanisms by which population size variation in primary prey can affect dynamics of alternative prey populations.</p>
Supplementary material 5 from: Ribeiro-Silva L, Perrella DF, Biagolini-Jr CH, Zima PVQ, Piratelli AJ, Schlindwein MN, Galetti-Jr PM, Francisco MR (2018) Use of camera traps for detecting nest predation of birds in the Atlantic Forest of Brazil. Zoologia 35: 1-8. https://doi.org/10.3897/zoologia.35.e14678
Video of a nest of the Gray-hooded Flycatcher, Mionectes rufiventris, containing two nestlings, being depredated by Three-striped Short-tailed Opossum, Monodelphis americana. Note that the small mammal has climbed the closed nest, found its entrance, and has invaded the interior of the nest. :
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
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.