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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).

FIGURE 5 in Five new (extinct?) species of Atelopus (Anura: Bufonidae) from Andean Colombia, Ecuador, and Peru

FIGURE 5.—Map of southern Colombia and northern Ecuador showing localities of Atelopus angelito, A. ardila, A. gigas, A. orcesi, A. pastuso and a population of hypothetical hybrids between A. pastuso and A. ignescens. Symbols for A. ardila indicate one or several close localities.

FIGURE 2 in Five new (extinct?) species of Atelopus (Anura: Bufonidae) from Andean Colombia, Ecuador, and Peru

FIGURE 2.—Axes PC I and PC II from Principal Components Analysis based on eight size-corrected morphological variables for populations of Atelopus ardila and A. ignescens from Colombia and Ecuador. Circles = A. ardila; X = A. ignescens.

FIGURE 1 in Five new (extinct?) species of Atelopus (Anura: Bufonidae) from Andean Colombia, Ecuador, and Peru

FIGURE 1.—Holotype of Atelopus ardila (KU 200214): (A) adult female, SVL = 47.3 mm; (B) ventral view of right hand, enlarged 3.5 times of A; (C) ventral view of right foot; enlarged 3.2 times of A.

FIGURE 7 in A new species of harlequin frog (Bufonidae: Atelopus) with an unusual behavior from Andes of Colombia

FIGURE 7. Amplexus in Atelopus nocturnus sp. nov. (MHUA 5284, adult male paratopotype, SVL = 23.8; MHUA 5285 adult female paratopotype, SVL = 34.3 mm). Photograph by L. Bravo-Valencia.

FIGURE 6. Ven t in A new species of harlequin frog (Bufonidae: Atelopus) with an unusual behavior from Andes of Colombia

FIGURE 6. Ven t ral color pattern variation of male Atelopus nocturnus sp. nov. Left to right: MHUA 2472 (SVL = 25.0 mm), MHUA 5281 (SVL = 22.5 mm), MHUA 5282 (SVL = 24.1 mm), MHUA 5283 (SVL = 20.1 mm), MHUA 5284 (SVL = 23.4 mm), MHUA 5286 (SVL = 24.2 mm). Photograph by M. Rivera-Correa.

FIGURE 4 in A new species of harlequin frog (Bufonidae: Atelopus) with an unusual behavior from Andes of Colombia

FIGURE 4. Arrow indicating nuptial excrescences (keratinous spines) on Finger I of the hand of an adult male Atelopus nocturnus sp. nov. (MHUA 5283, paratopotype). Photograph by M. Rivera-Correa.

FIGURE 3 in A new species of harlequin frog (Bufonidae: Atelopus) with an unusual behavior from Andes of Colombia

FIGURE 3. Hand (left) and foot (right) of Atelopus nocturnus sp. nov. (MHUA 5280, holotype). Scale bar = 5 mm. Drawings by M. Rivera-Correa.

FIGURE 1 in A new species of harlequin frog (Bufonidae: Atelopus) with an unusual behavior from Andes of Colombia

FIGURE 1. Atelopus nocturnus sp. nov. (MHUA 5280, holotype; adult female in life, SVL = 33.0 mm). Photograph by L. Bravo-Valencia.

FIGURE 5 in A new species of harlequin frog (Bufonidae: Atelopus) with an unusual behavior from Andes of Colombia

FIGURE 5. Distributional map of Atelopus nocturnus sp. nov. in Colombia. Solid circles indicate type localities and the unique distribution current known for the new species.

FIGURE 2 in A new species of harlequin frog (Bufonidae: Atelopus) with an unusual behavior from Andes of Colombia

FIGURE 2. Lateral (left) and dorsal (right) aspects of the head of Atelopus nocturnus sp. nov. (MHUA 5280, holotype). Scale bar = 5 mm. Drawings by M. Rivera-Correa.

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FIGURE 1. A in Rediscovery of Atelopus subornatus Werner, 1899 (Anura: Bufonidae), with a redescription of the tadpole

FIGURE 1. A, map of Atelopus subornatus from the Galilea Forest, Tolima, Colombia, showing the new locality ∆, and localities previously reported Ǫ; B, adult (CZUT-A 2201); C, tadpole in Gosner stage 36 (CZUT-A: 2256-4); D, oral disc of the tadpole. Not to scale.

Figure 1 in Not every drought is bad: quantifying reproductive effort in the harlequin frog Atelopus laetissimus (Anura: Bufonidae)

Figure 1. (a) Map of the Serranía de San Lorenzo, Sierra Nevada de Santa Marta, Colombia. The circle signals the location of Estación Experimental San Lorenzo at 2200 msnm; (b) San Lorenzo creek, SNSM, during the rainy season; (c) during the dry season.

Figure 3 in Not every drought is bad: quantifying reproductive effort in the harlequin frog Atelopus laetissimus (Anura: Bufonidae)

Figure 3. (a) Body condition in males of Atelopus laetissimus in a rainy year (2014) and a dry year (2015); the circle highlight undernourished males at June 2014. (b) Image of an undernourished male at June 2014 and (c) well-fed male at June 2015. (d) The same male with different body condition recorded reproductive season at June 2015, (e) May 2016 (rainy year). This figure was made with capture and recapture data.

Figure 2 in Not every drought is bad: quantifying reproductive effort in the harlequin frog Atelopus laetissimus (Anura: Bufonidae)

Figure 2. Reproductive phenology/strategy of Atelopus laetissimus in San Lorenzo creek. (a) Precipitation; (b) number of amplexus; (c) males' weight). *Highly significant differences.

Figure 4 in Not every drought is bad: quantifying reproductive effort in the harlequin frog Atelopus laetissimus (Anura: Bufonidae)

Figure 4. Atelopus laetissimus individuals. (a) Female; (b) male; (c) mating ball consisting of several males and one female; (d) prolonged axillary amplexus position/female guarding; (e) amplexus perched in the riparian vegetation; (f) amplexus submerged in the stream possibly searching for spawning sites. Photographs: L.A. Rueda Solano (a, b, d, e, f) and A.A. Rocha Usuga (c).