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549 results for “species extinction”
FIGURE 23 in Five new (extinct?) species of Atelopus (Anura: Bufonidae) from Andean Colombia, Ecuador, and Peru
FIGURE 23.—Skeletal features of adult female Atelopus podocarpus from Centro Administrativo Cajanuma, Parque Nacional Podocarpus, Provincia Loja (QCAZ 2838, SVL = 43.1 mm). (A) ventral view of hyobranchium, (B) dorsal view of vertebral column and pelvic girdle, and (C) ventral view of pectoral girdle, (D) ventral view of manus, and (E) ventral view of pes. Cartilage is shown in gray. Scale of A–E = 1.2 mm. Drawings by Andrea Terán-Valdez.
FIGURE 22 in Five new (extinct?) species of Atelopus (Anura: Bufonidae) from Andean Colombia, Ecuador, and Peru
FIGURE 22.—Skull of adult female Atelopus podocarpus from Centro Administrativo Cajanuma, Parque Nacional Podocarpus, Provincia Loja (QCAZ 2838, SVL = 43.1 mm). (A) dorsal and (B) ventral views. Scale = 1 mm. Drawings by Andrea Terán-Valdez.
FIGURE 20 in Five new (extinct?) species of Atelopus (Anura: Bufonidae) from Andean Colombia, Ecuador, and Peru
FIGURE 20.—Skull of adult female Atelopus pastuso from 20 km SW Tulcán, Provincia Carchi (KU 166298, SVL = 40.0 mm). (A) dorsal and (B) ventral views. Scale = 2 mm. Drawings by Diego A. Paucar.
FIGURE 19 in Five new (extinct?) species of Atelopus (Anura: Bufonidae) from Andean Colombia, Ecuador, and Peru
FIGURE 19.—Skeleton of holotype and paratype of Atelopus orcesi (MHNG 2684.75, 2559.67, respectively): (A) adult female, SVL = 42.1 mm; (B) adult male, SVL = 29.4 mm.
FIGURE 16 in Five new (extinct?) species of Atelopus (Anura: Bufonidae) from Andean Colombia, Ecuador, and Peru
FIGURE 16.—Skeletal features of adult female Atelopus ardila from 7.5 Km E Pasto, Departamento Nariño (KU 200213, SVL = 38.4 mm). (A) ventral view of hyobranchium, (B) dorsal view of vertebral column and pelvic girdle, (C) ventral view of pectoral girdle, (D) ventral view of manus, and (E), ventral view of pes. Cartilage is shown in gray. Scale of A–C = 3 mm, scale of D–E = 2 mm. Drawings by Diego A. Paucar.
FIGURE 13 in Five new (extinct?) species of Atelopus (Anura: Bufonidae) from Andean Colombia, Ecuador, and Peru
FIGURE 13.—Ventral color variation in Atelopus podocarpus in preservative: (A) EPN 2145; (B) EPN 2144; (C) EPN 2143; (D) EPN 1223.
FIGURE 12 in Five new (extinct?) species of Atelopus (Anura: Bufonidae) from Andean Colombia, Ecuador, and Peru
FIGURE 12.—Holotype of Atelopus podocarpus (QCAZ 6801): (A) adult female, SVL = 50.8 mm; (B) ventral view of right hand, enlarged 3.3 times of A; (C) ventral view of right foot; enlarged 3.3 times of A.
FIGURE 14 in Five new (extinct?) species of Atelopus (Anura: Bufonidae) from Andean Colombia, Ecuador, and Peru
FIGURE 14.—Atelopus angelito (KU 178417): (A) adult female, SVL = 49.2 mm; (B) ventral view of right hand, enlarged 3.5 times of A; (C) ventral view of left foot; enlarged 3.6 times of A.
FIGURE 11 in Five new (extinct?) species of Atelopus (Anura: Bufonidae) from Andean Colombia, Ecuador, and Peru
FIGURE 11.—Lateral view of two species of Atelopus, with detail on the distribution of spiculae on flanks. (A) Atelopus podocarpus; (B) A. petersi. Note that multiple spiculae are clustered in A. petersi.
FIGURE 9 in Five new (extinct?) species of Atelopus (Anura: Bufonidae) from Andean Colombia, Ecuador, and Peru
FIGURE 9.—Holotype of Atelopus pastuso (QCAZ 15013): (A) adult female, SVL = 41.8 mm; molt visible in lateral view (B) ventral view of right hand, enlarged 3.9 times of A; (C) ventral view of left foot; enlarged 3.9 times of A.
FIGURE 8 in Five new (extinct?) species of Atelopus (Anura: Bufonidae) from Andean Colombia, Ecuador, and Peru
FIGURE 8.—Holotype and paratype of Atelopus orcesi (MHNG 2684.75, 2559.67, respectively): (A) lateral view of adult female; (B) lateral view of adult male; (C) ventral view of right hand, enlarged 4.2 times of A; (D) ventral view of left foot; enlarged 4.7 times of A.
FIGURE 7 in Five new (extinct?) species of Atelopus (Anura: Bufonidae) from Andean Colombia, Ecuador, and Peru
FIGURE 7.—Holotype and paratype of Atelopus orcesi (MHNG 2684.75, 2559.67, respectively): (A) adult female, SVL = 42.1 mm; (B) adult male, SVL = 29.4 mm.
FIGURE 15 in Five new (extinct?) species of Atelopus (Anura: Bufonidae) from Andean Colombia, Ecuador, and Peru
FIGURE 15.—Skull of adult female Atelopus ardila from 7.5 Km E Pasto, Departamento Nariño (KU 200213, SVL = 38.4 mm). (A) dorsal, (B) ventral, and (C) lateral views. Scale = 2 cm. Drawings by Diego A. Paucar.
FIGURE 10 in Five new (extinct?) species of Atelopus (Anura: Bufonidae) from Andean Colombia, Ecuador, and Peru
FIGURE 10.—Atelopus podocarpus from Parque Nacional Podocarpus, Provincia Loja, Ecuador: (A) EPN 3235 from Mirador path nearby the Centro Administrativo Cajanuma of the Parque Nacional Podocarpus, 2850 m; (B) EPN 1223 from El Compadre. Photos by AA and Luis H. Albuja V., respectively.
FIGURE 6 in Five new (extinct?) species of Atelopus (Anura: Bufonidae) from Andean Colombia, Ecuador, and Peru
FIGURE 6.—Holotype of Atelopus gigas (KU 140320): (A) adult female, SVL = 55.9 mm; (B) ventral view of right hand, enlarged 4.5 times of A; (C) ventral view of left foot; enlarged 3.7 times of A.
FIGURE 17 in Five new (extinct?) species of Atelopus (Anura: Bufonidae) from Andean Colombia, Ecuador, and Peru
FIGURE 17.—Skull of adult female Atelopus gigas from La Victoria, Departamento Nariño (KU 140318, SVL = 54.5 mm). (A) dorsal, (B) ventral, and (C) lateral views. Scale = 2 mm. Drawings by Diego A. Paucar.
FIGURE 21 in Five new (extinct?) species of Atelopus (Anura: Bufonidae) from Andean Colombia, Ecuador, and Peru
FIGURE 21.—Skeletal features of adult female Atelopus pastuso from 20 km SW Tulcán, Provincia Carchi (KU 166298, SVL = 40.0 mm). (A) ventral view of hyobranchium, (B) dorsal view of vertebral column and pelvic girdle, (C) ventral view of pectoral girdle, (D) ventral view of manus, and (E) ventral view of pes. Cartilage is shown in gray. Scale of A–C = 3 mm, scale of D–E = 2 mm. Drawings by Diego A. Paucar.
FIGURE 18 in Five new (extinct?) species of Atelopus (Anura: Bufonidae) from Andean Colombia, Ecuador, and Peru
FIGURE 18.—Skeletal features of adult female Atelopus gigas from La Victoria, Departamento Nariño (KU 140318, SVL = 54.5 mm). (A) ventral view of hyobranchium, (B) dorsal view of vertebral column and pelvic girdle, (C) ventral view of pectoral girdle, (D) ventral view of manus, and (E) ventral view of pes. Cartilage is shown in gray. Scale of A–C = 4 mm, scale of D–E = 2 mm. Drawings by Diego A. Paucar.
FIGURE 4 in Five new (extinct?) species of Atelopus (Anura: Bufonidae) from Andean Colombia, Ecuador, and Peru
FIGURE 4.— (A, B) Atelopus ardila from 12 km E of Pasto, Departamento Nariño, Colombia (KU 169287–88, photos: WED); (C–D) Atelopus pastuso from Tulcán and 26,6 km W Tulcán, Provincia Carchi, Ecuador (MNHG 2258.68, QCAZ 1911, photos: LAC); (E–F) Atelopus pastuso from Tulcán and Cerro Cotacachi (MNHG 2258.65, QCAZ 15021 adult male, photos: LAC, Eugenia M. del Pino, respectively); (G) Atelopus pastuso from Hacienda La Esperanza (EPN 3244 adult female, photo: AA); (H) Atelopus angelito from NE Maldonado (KU 3244 adult female, photo: John D. Lynch).
FIGURE 3 in Five new (extinct?) species of Atelopus (Anura: Bufonidae) from Andean Colombia, Ecuador, and Peru
FIGURE 3.—Intrapopulation color variation of Atelopus ardila from 12 km E of Pasto, Departamento Nariño, Colombia: (A) KU 169270; (B) KU 169272; (C) KU 169271; (D) KU 169273 (Photos by WED).
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.