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26 results for “Anseres”
Fig. 2 in Flock Size Measures Of Migrating Lesser White-Fronted Geese Anser Erythropus
Fig. 2. The distribution of Lesser White-fronted Geese flocks (above) and individuals (below) among flock size categories in the autumn at Hortobágy, 1994–2006
Fig. 5 in Morphological And Biological Characteristics Of Amidostomum Anseris (Nematoda, Amidostomatidae) From Anser Anser Domesticus
Fig. 5. Transverse striation of cuticle in Amidostomum anseris (n = 20) ♀ (а) and Ơ (b) at: 1 — anterior esophagus; 2 — middle esophagus; 3 — posterior esophagus; 4 — middle of body; 5 — base of cuticle process; 6 — middle of cuticle process; 7 — posterior to vulva; 8 — between vulva and anus; 9 — anus; 10 — between anus and base of the digitate process; 11 — base of the digitate process; 12 — spicule area.
Fig. 6 in Morphological And Biological Characteristics Of Amidostomum Anseris (Nematoda, Amidostomatidae) From Anser Anser Domesticus
Fig. 6. Stages of embryonic development of Amidostomum anseris: а — blastomere cleavage; b — larval formation; с — formation of L1 and L2; d — L3 (infective larva).
Fig. 3 in Morphological And Biological Characteristics Of Amidostomum Anseris (Nematoda, Amidostomatidae) From Anser Anser Domesticus
Fig. 3. Ơ Amidostomum anseris: a — distal ends of spicules, and gubernaculum; b — proximal ends of spicules.
Fig. 2 in Morphological And Biological Characteristics Of Amidostomum Anseris (Nematoda, Amidostomatidae) From Anser Anser Domesticus
Fig. 2. Caudal end of Ơ Amidostomum anseris: A.v. — anteroventral ray; P.v. — posteroventral ray; A.l. — anterolateral ray; M.l. — mediolateral ray; P.l. — posterolateral ray; E.d. — external and dorsal ray; D — dorsal ray.
Effects of severe anthropogenic disturbance on the heart rate and body temperature in free-living greylag geese (Anser anser)
<p>Anthropogenic disturbances are a major concern for the welfare and conservation of wildlife. We recorded heart rate and body temperature of 20 free-living greylag geese in response to a major regularly re-occurring anthropogenic disturbance, New Year’s Eve fireworks. Heart rate and body temperature were significantly higher in the first and second hour of the new year, compared to the same hour on the 31<sup>st</sup> of December, the average during December and the average during January. Heart rate and body temperature was not significantly affected by sex or age. From 0200-0300 onwards, 1<sup>st</sup> of January heart rates did not significantly differ from the other periods, however body temperatures were significantly increased until 0300-0400. From 0400-0500, heart rate was not affected by any of the investigated factors, whereas body temperature was significantly increased on the 1<sup>st</sup> of January compared 31<sup>st</sup> of December and the December average but not compared to the January average. To conclude, our results show that New Year’s Eve fireworks cause a substantial physiological response, indicative of a stress response in greylag geese, which is costly in terms of energy expenditure.</p>
Fig. 6 in Negligible evidence for detrimental effects of Leucocytozoon infections among Emperor Geese (Anser canagicus) breeding on the Yukon-Kuskokwim Delta, Alaska
Fig. 6. Comparison of mass measures for incubating adult female Emperor Geese infected with Leucocytozoon parasites genetically characterized in this study L. simondi clade A (blue), L. simondi clade B (red), or other/mixed Leucocytozoon (grey; see Materials and methods) using boxplots (Panel A) and plotted by incubation day (Panel B). The trendline in panel B is depicts predicted mass given the day of incubation and positive Leucocytozoon infection status from our top-ranking regression model (see Results). (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Fig. 5. Phylogenetic tree depicting inferred genetic relationships among Leucocytozoon mitochondrial DNA cytochrome b in Negligible evidence for detrimental effects of Leucocytozoon infections among Emperor Geese (Anser canagicus) breeding on the Yukon-Kuskokwim Delta, Alaska
Fig. 5. Phylogenetic tree depicting inferred genetic relationships among Leucocytozoon mitochondrial DNA cytochrome b haplotypes identified from blood samples collected from Emperor Geese inhabiting the Yukon-Kuskokwim Delta, Alaska during 2006–2016 and those previously reported for closely related haemosporidian morphospecies on the National Center for Biotechnology Information GenBank and Malavi databases (accession IDs in parentheses). Bars to the right of tree represent the assignment of sequences to L. simondi clade A (teal), L. simondi clade B (orange), or other Leucocytozoon. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Fig. 4. Phylogenetic tree depicting inferred genetic relationships among Haemoproteus mitochondrial DNA cytochrome b in Negligible evidence for detrimental effects of Leucocytozoon infections among Emperor Geese (Anser canagicus) breeding on the Yukon-Kuskokwim Delta, Alaska
Fig. 4. Phylogenetic tree depicting inferred genetic relationships among Haemoproteus mitochondrial DNA cytochrome b haplotypes identified from blood samples collected from Emperor Geese inhabiting the Yukon-Kuskokwim Delta, Alaska during 2006–2016 and those previously reported for closely related haemosporidian morphospecies on the National Center for Biotechnology Information GenBank and Malavi databases (accession IDs in parentheses).
Fig. 1 in Negligible evidence for detrimental effects of Leucocytozoon infections among Emperor Geese (Anser canagicus) breeding on the Yukon-Kuskokwim Delta, Alaska
Fig. 1. Mass of adult female nesting Emperor Geese per day of incubation for birds infected (red) and uninfected (black/white) with Leucocytozoon parasites using samples collected on the Yukon-Kuskokwim Delta, Alaska during 2006–2016. Trend lines indicate the predicted mass for an individual goose throughout the incubation period from day 11 based upon on the top supported model (Mass ~ Inc + Leu). (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Fig. 2. Minimum spanning network for haemosporidian mitochondrial DNA cytochrome b haplotypes identified from blood samples collected from Emperor Geese inhabiting the YukonKuskokwim Delta, Alaska during 2006–2016 in Negligible evidence for detrimental effects of Leucocytozoon infections among Emperor Geese (Anser canagicus) breeding on the Yukon-Kuskokwim Delta, Alaska
Fig. 2. Minimum spanning network for haemosporidian mitochondrial DNA cytochrome b haplotypes identified from blood samples collected from Emperor Geese inhabiting the YukonKuskokwim Delta, Alaska during 2006–2016. Circles are drawn proportional to the frequency at which haplotypes were detected. Shading represented the assignment of representative sequences for haplotypes to L. simondi clade A (teal), L. simondi clade B (orange), or other Leucocytozoon (grey) in phylogenetic analyses (see Results and Fig. 5). Lines are drawn proportional to genetic distance and are labeled per the number of mutations represented (except single nucleotide polymorphisms which are unlabeled). (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Data from: Flight initiation distance is repeatable and geographically flexible in greylag geese (Anser anser)
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Fig. 4 in Morphological And Biological Characteristics Of Amidostomum Anseris (Nematoda, Amidostomatidae) From Anser Anser Domesticus
Fig. 4. ♀ Amidostomum anseris: a — tail end with the
Fig. 1 in Morphological And Biological Characteristics Of Amidostomum Anseris (Nematoda, Amidostomatidae) From Anser Anser Domesticus
Fig. 1. Head end of Amidostomum anseris.
Data from: Translocation experiment of taiga bean geese Anser fabalis provides evidence for oblique social learning of moult migration
<p>While there is ample evidence supporting genetic control of migratory behaviour in short-lived passerines, long-lived social species have been assumed to rely solely on cultural inheritance of migratory routes. Evidence from experimental studies supporting this idea is scarce. We tested whether the moult migration in taiga bean geese <em>Anser fabalis </em>has an inherited component or whether the birds need oblique social learning (where knowledge on migration is transferred from any experienced individual to any naïve individual conspecific) to carry out this journey. In many waterfowl species, non-breeders and failed breeders migrate to remote places for wing moult while successful breeders stay at the breeding grounds and moult with their chicks. We translocated one-year-old taiga bean geese before their first moult migration to sites outside of the breeding range to examine whether they display innate moult migration behaviour without experienced conspecifics or not. The birds were equipped with GPS-transmitters and released in randomly assigned groups of two. Wild control one-year-old birds were released immediately after capture with other non-breeding geese, while a procedural control group consisting of older birds was held in captivity until released at the same time with the translocated one-year-old birds but in the place where they were captured. Most translocated birds found conspecifics and either joined locally moulting breeders or followed experienced birds to moulting sites in Russia. Two of the translocated birds did not find other bean geese and settled to moult together in SW Finland. The wild control birds moult-migrated as expected, while only one of the procedural control birds moult-migrated to Russia and the remaining three stayed with locally moulting breeders in Finland. Our results support the idea that moult migration in geese is culturally inherited, highlighting the importance of the non-relative, experienced adult individuals have in maintaining population-specific behaviours.</p>
From individual to population level: Temperature and snow cover modulate fledging success through breeding phenology in Greylag geese (Anser anser)
<p>Local weather conditions may be used as environmental cues by animals to optimize their breeding behaviour, and could be affected by climate change. We measured associations between climate, breeding phenology, and reproductive output in greylag geese (<i>Anser anser</i>) across 29 years (1990-2018). The birds are individually marked, which allows accurate long-term monitoring of life-history parameters for all pairs within the flock. We had three aims: (1) identify climate patterns at a local scale in Upper Austria, (2) measure the association between climate and greylag goose breeding phenology, and (3) measure the relationship between climate and both clutch size and fledging success. Ambient temperature increased 2°C across the 29-years study period, and higher winter temperature was associated with earlier onset of egg-laying. Using the hatch-fledge ratio, average annual temperature was the strongest predictor for the proportion of fledged goslings per season. There is evidence for an optimum time window for egg-laying (the earliest and latest eggs laid had the lowest fledging success). These findings broaden our understanding of environmental effects and population-level shifts which could be associated with increased ambient temperature and can thus inform future research about the ecological consequences of climate changes and reproductive output in avian systems.</p>
Regional differences in crippling rate in greylag geese Anser anser in Sweden
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Data from: Translocation experiment of taiga bean geese Anser fabalis provides evidence for oblique social learning of moult migration
Open the record for dataset details and reuse information.
From individual to population level: Temperature and snow cover modulate fledging success through breeding phenology in Greylag geese (Anser anser)
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ANSeR- The Algorithm for Neonatal Seizure Recognition Study
ClinicalTrials.gov study NCT02160171. IPD Sharing: Not stated. Countries: 4. Publications: 1.
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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)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
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.