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21 results for “aquatic bird”
Fig. 5 in Covariation In Shapes Between The Sternum And Pelvis In Aquatic Birds With Different Locomotor Modes
Fig. 5. Covariation between dorsal projections of the sternum and pelvis estimated with the standard PLS analysis. Phylogenetic relationships are projected onto the PLS1 morphospace. Grey wireframe represents mean shape. Species designation as in fig. 4.
Fig. 6 in Covariation In Shapes Between The Sternum And Pelvis In Aquatic Birds With Different Locomotor Modes
Fig. 6. Boxplot of the ratio of sternum and pelvis centroid sizes. Box represents interquartile range with solid line inside as median, whiskers are minimal and maximal values. Locomotor categories: FP — foot-propelled divers, WP — wing-propelled divers, SSW — surface swimmers.
Fig. 1 in Covariation In Shapes Between The Sternum And Pelvis In Aquatic Birds With Different Locomotor Modes
Fig. 1. The sternum and pelvis in Common guillemot (Uria aalge) (wing-propelled diver) and Imperial cormorant (Phalacrocorax atriceps) (foot-propelled diver).
Fig. 4 in Covariation In Shapes Between The Sternum And Pelvis In Aquatic Birds With Different Locomotor Modes
Fig. 4. Covariation between lateral projections of the sternum and pelvis estimated with the standard PLS analysis. Phylogenetic relationships are projected onto the PLS1 morphospace. Grey wireframe represents mean shape. Species points are marked by locomotor categories (FP — foot-propelled divers, WP — wingpropelled divers, SSW — surface swimmers) and numbers: 1 — Cygnus cygnus, 2 — Cygnus olor, 3 — Cygnus melancoryphus, 4 — Chen caerulescens, 5 — Anser erythropus, 6 — Branta ruficollis, 7 — Branta bernicla, 8 — Alopochen aegyptiaca, 9 — Tadorna ferruginea, 10 — Aix sponsa, 11 — Aix galericulata, 12 — Mergellus albellus, 13 — Mergus merganser, 14 — Bucephala clangula, 15 — Phalacrocorax carbo, 16 — Phalacrocorax pelagicus, 17 — Phalacrocorax atriceps, 18 — Pelecanus crispus, 19 — Eudyptes chrysolophus, 20 — Porphyrio porphyrio, 21 — Fulica atra, 22 — Gallinula chloropus, 23 — Podiceps cristatus, 24 — Aethia psittacula, 25 — Uria aalge, 26 — Alca torda.
Fig. 3 in Covariation In Shapes Between The Sternum And Pelvis In Aquatic Birds With Different Locomotor Modes
Fig. 3. Scheme of landmarks and semilandmarks location on lateral (a) and ventral (b) projections of sternum and lateral (c) and dorsal (d) projections of pelvis in Aix galericulata. Descriptions of the landmarks and semilandmarks are given in tables 1, 2. Measurements: Lst — length of sternum, Lsyns — length of synsacrum.
Fig. 2 in Covariation In Shapes Between The Sternum And Pelvis In Aquatic Birds With Different Locomotor Modes
Fig. 2. Phylogenetic relationships among the studied birds based on Jetz et al. (2012), with their locomotor modes marked as: FP for foot-propelled divers, WP for wing-propelled divers, and SSW for surface swimmers.
Fig. 1 in Review Of The Helminths Parasitic In Rare Aquatic Birds In Ukraine
Fig. 1. Localities of the material collection: — based on collection and literature; — based on collection; — based on literature.
Figure 1 in Composition and spatio-temporal dynamics of aquatic bird community in humid areas of Alto Parana Atlantic Forest
Figure 1. Map of the RPPN Foz do Rio Aguapeí and location of the six studied areas in the RPPN Foz do Rio Aguapeí. Legend: (1) Lagoa São Gabriel; (2) Lagoa das Piranhas; (3) Lagoa dos Porcos; (4) Constructed wetland; (5) Aguapei river –; and (6) Lagoa da sede. Sources: CESP (2013) and Google Earth (2021).
Figure 2 in Composition and spatio-temporal dynamics of aquatic bird community in humid areas of Alto Parana Atlantic Forest
Figure 2. Cumulative curve of the 52 waterfowl bird species in the RPPN Foz do Rio Aguapeí showing stability from sample 27 to 31.
Figure 3 in Composition and spatio-temporal dynamics of aquatic bird community in humid areas of Alto Parana Atlantic Forest
Figure 3. NMDS (stress of 0.097) of the spatial distribution of the aquatic bird community recorded by the transect method in the lagoons of the RPPN Foz do Aguapeí, during the dry (rounded symbols) and rainy seasons (square symbols). Legend: LS = Lagoa da Sede; LSG = Lagoa São Gabriel; LP = Lagoa da Piranha and LPO = Lagoa dos Porcos.
Figure 4 in Composition and spatio-temporal dynamics of aquatic bird community in humid areas of Alto Parana Atlantic Forest
Figure 4. NMDS (stress of 0.001) of the spatial distribution of the aquatic bird community recorded by the transect method in the lotic environments of the RPPN Foz do Aguapeí, during the dry (rounded symbols) and rainy seasons (square symbols). Legend: AR = Aguapeí River and CW = Constructed wetland.
Fig. 3 in The oldest diving anseriform bird from the late Eocene of Kazakhstan and the evolution of aquatic adaptations in the intertarsal joint of waterfowl
Fig. 3. The intertarsal joint of Recent Anatidae (exemplified by Somateria spectabilis (Linnaeus, 1758), PIN 41-2-2; A) and fossil wading bird (PIN 3104-65; early Eocene of Tsagaan-Khushu locality; southern Mongolia; B) as related to the swimming locomotion. Two types of the general structure of the distal tibiotarsus (A1, B), illustrating the difference in the shape of the condylus medialis (cm1, cm2). Maximal anatomically possible dorsiflexion of the tarsometatarsus in Anatidae, in craniomedial view (A2, showing full contact between the condylus medialis type 2 and the articular surface of the tarsometatarsus), in medial view (A3). Position of the tarsometatarsus relative to the tibiotarsus at the beginning of the propulsive phase of the stride in swimming duck (C) and walking wader (D); note the strongly dorsiflexed tarsometatarsus in the former (modified after Provini et al. 2012; Killbourne et al. 2016). Abbreviations: cm1, cm2; condylus medialis in type 1 and type 2 intertarsal joints (see text). Scale bars 10 mm.
Fig. 2 in The oldest diving anseriform bird from the late Eocene of Kazakhstan and the evolution of aquatic adaptations in the intertarsal joint of waterfowl
Fig. 2. Tarsometatarsi of anseriform bird Cousteauvia kustovia gen. et sp. nov. and selected modern Anseriformes. A. Cousteauvia kustovia gen. et sp. nov., holotype PIN 2612/4, latest Eocene of Kusto-Kyzylkain, Eastern Kazakhstan, in dorsal (A1), medial (A2), lateral (A3), plantar (A4), angled disto-dorsal (A5), and proximal (A6) views, and distal view on the cross-section (A7). B. Melanitta perspicillata Linnaeus, 1758 (Anatidae), PIN 41-9-1, Recent, in dorsal (B1), medial (B2), plantar (B3), and proximal (B4) views. C. Anas undulata Dubois, 1839 (Anatidae), PIN 40-32-2, Recent, in dorsal (C1) and lateral (C2) views. D. Anseranas semipalmata (Latham, 1798) (Anseranatidae), USNM 621019, Recent, in dorsal (D1) and proximal (D2) views. E. Anhima cornuta (Linnaeus, 1766) (Anhimidae), USNM 345208, Recent, in dorsal (E1) and proximal (E2) views. F. Anas platyrhynchos Linnaeus, 1758 (Anatidae), PIN 40-30-3, Recent, in distal view on the cross-section. G. Clangula hyemalis (Linnaeus, 1758) (Anatidae), PIN 41-7-8, Recent, in distal view on the cross-section. Abbreviations: cdl, dorsolateral crest of the shaft; cdm, dorsomedial crest of the shaft; cl, cotyla lateralis; cm, cotyla medialis; cmh, crista medialis hypotarsi; cpm, crista plantaris medialis; ei, eminentia intercotylaris; fdl, canal for tendon of m. flexor digitorum longus; fic, fossa infracotylaris; fpm, fossa parahypotarsalis medialis; fvp, foramina vascularia proximalia; itc, impressio m. tibialis cranialis; se, sulcus extensorius; sfdl, sulcus for tendon of m. flexor digitorum longus; l, lip-like distal extension of the cotyla lateralis. Scale bars: A1–A5, B1–B3, C, D1, 10 mm; A6, B4, D2, E2, 5 mm; A7, F, G, 2 mm.
Fig. 1 in The oldest diving anseriform bird from the late Eocene of Kazakhstan and the evolution of aquatic adaptations in the intertarsal joint of waterfowl
Fig. 1. General outline map showing the geographical position of Kazakhstan (A) and Kusto-Kyzylkain locality (asterisk) at Zaysan Basin (B).
Data from: Quality versus quantity: Response of riparian bird communities to aquatic insect emergence in agro-ecosystems
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Escape responses of terrestrial and aquatic birds to drones: towards a code of practice to minimise disturbance
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Data from: Aquatic insects rich in omega-3 fatty acids drive breeding success in a widespread bird
Ecologists studying bird foraging ecology have generally focused on food quantity over quality. Emerging work suggests that food quality, in terms of highly unsaturated omega-3 fatty acids (HUFA), can have equally important effects on performance. HUFA, which are present in aquatic primary producers, are all but absent in vascular plants, and HUFA content is also correspondingly higher in aquatic insects. Here, we show that Tree Swallow (Tachycineta bicolor) chicks rapidly accumulate HUFA from food during the nestling period. Using data sampled over 24 years, we also show that Tree Swallow breeding success is positively associated with the availability of HUFA-rich aquatic insects. Variation in aquatic insect biomass during chick development was a strong predictor of fledging success, while variation in terrestrial insects had little effect on fledging success. Our results highlight the potential for nutritional mismatches between insectivores and high-quality prey to affect avian reproductive performance.
Figure 3 in Diversity of aquatic bird species in a wetland complex in southern Chile
Figure 3. Similarity tree-diagram of the Lanalhue Lake wetland complex in southern Chile. Lanalhue lake is an independent habitat category (lacustrine wetland) within the whole study area.
Figure 2 in Diversity of aquatic bird species in a wetland complex in southern Chile
Figure 2. Variation in the abundance of aquatic bird specimens in Lanalhue Lake wetland, Chile between winter 2005 and summer 2008.
Data from: Aquatic insects rich in omega-3 fatty acids drive breeding success in a widespread bird
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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.