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10 results for “gregarious behavior”
Fig. 1 - Albertosaurus sarcophagus OSBORN 1905 in Possible evidence of gregarious behavior in Tyrannosaurids
Fig. 1 - Albertosaurus sarcophagus OSBORN 1905 metatarsals (right) collected by Barnum Brown in the Horseshoe Canyon Formation of Alberta, Canada. From left to right, AMNH 5229 (individual 2 oITABLE I), AMNH 5233 (individual 3), AMNH 5234 (individual 4), and AMNH 5232 (individual 8). See TABLE I for measurements.
Warning coloration, body size and the evolution of gregarious behavior in butterfly larvae
<p>Many species gain anti-predator benefits by combining gregarious behavior with warning coloration, yet there is debate over which trait evolves first, and which is the secondary adaptive enhancement. Body size can also influence how predators receive aposematic signals, and potentially constrain the evolution of gregarious behavior. To our knowledge, the causative links between the evolution of gregariousness, aposematism and larger body sizes have not been fully resolved. Here, using the most recently resolved butterfly phylogeny and an extensive new dataset of larval traits, we reveal the evolutionary interactions between important traits linked to larval gregariousness. We show that larval gregariousness has arisen many times across the butterflies, and aposematism is a likely prerequisite for gregariousness to evolve. We also find that body size may be an important factor for determining the coloration of solitary, but not gregarious larvae. Additionally, by exposing artificial 'larvae' to wild avian predation, we show that undefended, cryptic 'larvae' are heavily predated when aggregated but benefit from solitariness, whereas the reverse is true for aposematic prey. Our data reinforce the importance of aposematism for gregarious larval survival, whilst identifying new questions about the roles of body size and toxicity in the evolution of grouping behavior.</p>
Warning coloration, body size and the evolution of gregarious behavior in butterfly larvae
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FIGURE 3. Male genitalia. A–C in Two new species of Phareicranaus Roewer, 1913 (Opiliones: Laniatores: Cranaidae), with notes on gregarious behavior and maternal care in Phareicranaus manauara
FIGURE 3. Male genitalia. A–C, Phareicranaus rohei sp. nov.: A, dorsal view. B, lateral view. C, ventral view. Phareicranaus tizana sp. nov.: D, dorsal view. E, lateral view. F, ventral view. Scale bar: 0.1 mm.
FIGURE 4. A in Two new species of Phareicranaus Roewer, 1913 (Opiliones: Laniatores: Cranaidae), with notes on gregarious behavior and maternal care in Phareicranaus manauara
FIGURE 4. A, live male of Phareicranaus tizana sp. nov., photo by P. A. Colmenares. B, nymphs of Phareicranaus manauara aggregating in the tree trunk of site two at Reserva Ducke in Manaus, Amazonas state in Brazil, photo by G. Giribet.
FIGURE 1 in Two new species of Phareicranaus Roewer, 1913 (Opiliones: Laniatores: Cranaidae), with notes on gregarious behavior and maternal care in Phareicranaus manauara
FIGURE 1. Male holotype of Phareicranaus rohei sp. nov., male holotype. A, habitus, lateral view. B, habitus, dorsal view. C, pedipalp, ventral view. D, femur IV, dorsal view. Scale bar: 1 mm.
FIGURE 5 in Two new species of Phareicranaus Roewer, 1913 (Opiliones: Laniatores: Cranaidae), with notes on gregarious behavior and maternal care in Phareicranaus manauara
FIGURE 5. Aggregation in Phareicranaus manauara in site one at Reserva Ducke, in Manaus, Amazonas state in Brazil: A, three individuals aggregating. B, a couple, with the male in an extended resting position, photos by G. Giribet.
FIGURE 6 in Two new species of Phareicranaus Roewer, 1913 (Opiliones: Laniatores: Cranaidae), with notes on gregarious behavior and maternal care in Phareicranaus manauara
FIGURE 6. Distribution of Phareicranaus rohei sp. nov. (triangle) and Phareicranaus tizana sp. nov. (circle).
FIGURE 2 in Two new species of Phareicranaus Roewer, 1913 (Opiliones: Laniatores: Cranaidae), with notes on gregarious behavior and maternal care in Phareicranaus manauara
FIGURE 2. Male holotype of Phareicranaus tizana sp. nov., male holotype. A, habitus, lateral view. B, habitus, dorsal view. C, pedipalp, ventral view. D, femur IV, dorsal view. E, patella and tibia IV, dorsal and ventral view. Scale bar: 1 mm.
Fig. 2 in Possible evidence of gregarious behavior in Tyrannosaurids
Fig. 2 - Bivariate comparisons of tibial versus femoral lengths (upper graph), and metatarsal III versus femoral lengths (lower cha rt) in tyrannosaurids. A; Alberlosaurus, D; Daspletosaurus, G; Gorgosaurus, t; Tarbosaurus, T = Tyrannosaurus.
ScienceDex guides
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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.