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149 results for “Thamnophilidae”
FIGURE 1 in On the correct holotype and type locality of Cercomacra sclateri Hellmayr 1905 (Aves: Thamnophilidae)
FIGURE 1. Map showing the ranges of the Cercomacra cinerascens species complex in South America (adapted from Zimmer & Isler 2003) and the type localities of C. c. iterata (Igarapé-Açu, Brazil [A]) and C. c. sclateri (Chayahuitas, Peru [B]). Light grey shadings indicate tropical and subtropical moist forests of northern South America.
FIGURE 35 in Taxonomy and geographic variation of Formicivora serrana (Hellmayr, 1929) and Formicivora littoralis Gonzaga and Pacheco, 1990 (Aves: Passeriformes: Thamnophilidae)
FIGURE 35. Principal Component Analysis (PCA) for male specimens. The blue, red and green ellipses represent, respectively, the groups of F. s. serrana, F. s. interposita and F. s. littoralis.
FIGURE 29. Call 1 in Taxonomy and geographic variation of Formicivora serrana (Hellmayr, 1929) and Formicivora littoralis Gonzaga and Pacheco, 1990 (Aves: Passeriformes: Thamnophilidae)
FIGURE 29. Call 1 phrase of F. s. serrana (LPG 102 12e). A. Oscillogram of a call 1 phrase. B. Detail of the structure of a call 1 syllable. C. Sonogram of a call 1 phrase. D. Detail of a call 1 syllable. Notice the rapid ascendant modulation in the beginning of the syllable followed by a long descendant modulation.
FIGURE 30. Call 1 in Taxonomy and geographic variation of Formicivora serrana (Hellmayr, 1929) and Formicivora littoralis Gonzaga and Pacheco, 1990 (Aves: Passeriformes: Thamnophilidae)
FIGURE 30. Call 1 phrase of F. s. interposita (LPG 021 08). A. Oscillogram of a call 1 phrase. B. Detail of the structure of a call 1 syllable. C. Sonogram of a call 1 phrase. D. Detail of a call 1 syllable. Notice the rapid abrupt descendant modulation in the beginning of the syllable followed by a smoother descendant modulation.
FIGURE 34 in Taxonomy and geographic variation of Formicivora serrana (Hellmayr, 1929) and Formicivora littoralis Gonzaga and Pacheco, 1990 (Aves: Passeriformes: Thamnophilidae)
FIGURE 34. Contact call syllables of F. s. littoralis (LPG 023 04) showing the variation in its structure. A. Sonogram of a syllable. B. Sonogram illustrating the variation in syllable structure.
FIGURE 28 in Taxonomy and geographic variation of Formicivora serrana (Hellmayr, 1929) and Formicivora littoralis Gonzaga and Pacheco, 1990 (Aves: Passeriformes: Thamnophilidae)
FIGURE 28. Sonograms showing the pauses in song phrases. A. Sonogram of a phrase of F. s. serrana (LPG 102 08). The pause is between 0.5 and 1 second. B. Sonogram of a phrase of F. s. interposita (LPG 021 08) illustrating the pause between 0 and 1 second. C. Sonogram of a phrase of F. s. littoralis (LPG c 015 24). Notice the pause between 0.5 and 1 second.
FIGURE 26 in Taxonomy and geographic variation of Formicivora serrana (Hellmayr, 1929) and Formicivora littoralis Gonzaga and Pacheco, 1990 (Aves: Passeriformes: Thamnophilidae)
FIGURE 26. Song phrase of F. s. interposita (LPG D 15ab GDAC). A. Oscillogram of a song phrase. B. Detail of the structure of a song syllable composed of two distinct elements. C. Sonogram of a song phrase. D. Sonogram of a song syllable.
FIGURE 25 in Taxonomy and geographic variation of Formicivora serrana (Hellmayr, 1929) and Formicivora littoralis Gonzaga and Pacheco, 1990 (Aves: Passeriformes: Thamnophilidae)
FIGURE 25. Song phrase of F. s. serrana (LPG 102 08). A. Oscillogram of a song phrase. B. Detail of the structure of a song syllable composed of two distinct elements. C. Sonogram of a song phrase. D. Sonogram of a song syllable.
FIGURE 32 in Taxonomy and geographic variation of Formicivora serrana (Hellmayr, 1929) and Formicivora littoralis Gonzaga and Pacheco, 1990 (Aves: Passeriformes: Thamnophilidae)
FIGURE 32. Contact call syllables of F. s. serrana (DHF 07) showing the variation in its structure. A. Sonogram of a syllable. B. Sonogram illustrating the variation in syllable structure.
FIGURE 23 in Taxonomy and geographic variation of Formicivora serrana (Hellmayr, 1929) and Formicivora littoralis Gonzaga and Pacheco, 1990 (Aves: Passeriformes: Thamnophilidae)
FIGURE 23. Observed patterns of the wing coverts character in adult females. From above to below: large white spots (F. s. littoralis, MNRJ 37474), intermediate white spots (F. s. serrana, MNRJ 27278) and small white spots (F. s. interposita, MNRJ 16977).
FIGURE 18 in Taxonomy and geographic variation of Formicivora serrana (Hellmayr, 1929) and Formicivora littoralis Gonzaga and Pacheco, 1990 (Aves: Passeriformes: Thamnophilidae)
FIGURE 18. Observed patterns of the upperparts character. From left to right: dark brown (F. s. serrana, MNRJ 38594), light brown (F. s. serrana, MNRJ 27278) and grayish horn (F. s. littoralis, MNRJ 39173).
FIGURE 16 in Taxonomy and geographic variation of Formicivora serrana (Hellmayr, 1929) and Formicivora littoralis Gonzaga and Pacheco, 1990 (Aves: Passeriformes: Thamnophilidae)
FIGURE 16. Observed patterns of the tibia feathers character. From left to right: black feathers with white tips (F. s. serrana, MNRJ 27247), black feathers with some sparse white feathers (F. s. serrana, MNRJ 38595) and entirely black feathers (F. s. littoralis, MNRJ 36801).
FIGURE 14 in Taxonomy and geographic variation of Formicivora serrana (Hellmayr, 1929) and Formicivora littoralis Gonzaga and Pacheco, 1990 (Aves: Passeriformes: Thamnophilidae)
FIGURE 14. Observed patterns of the flanks character. From left to right: white flanks (F. s. serrana, MNRJ 27249), flanks white shaded with brown (F. s. serrana, MNRJ 44073), flanks white shaded with gray (F. s. interposita, MNRJ 44423) and dark gray flanks (F. s. littoralis, MNRJ 37166).
FIGURE 20 in Taxonomy and geographic variation of Formicivora serrana (Hellmayr, 1929) and Formicivora littoralis Gonzaga and Pacheco, 1990 (Aves: Passeriformes: Thamnophilidae)
FIGURE 20. Observed patterns of the abdomen character. From left to right: faint yellow (F. s. littoralis, MNRJ 39173), cream yellow (F. s. littoralis, MNRJ 37054) and buff yellow (F. s. littoralis, MNRJ 37408).
FIGURE 7 in Taxonomy and geographic variation of Formicivora serrana (Hellmayr, 1929) and Formicivora littoralis Gonzaga and Pacheco, 1990 (Aves: Passeriformes: Thamnophilidae)
FIGURE 7. Observed patterns of the upperparts character. From the left to the right: rufous brown (F. s. serrana, MNRJ 38595), cinnamon brown (F. s. serrana, MNRJ 44073), olive brown (F. s. interposita, MNRJ 44438), black shaded with olive brown (F. s. interposita, MNRJ 44610), black (F. s. interposita, MNRJ 44424), black shaded with gray (F. s. interposita, MNRJ 44439) and gray (F. s. littoralis, MNRJ 39172).
FIGURE 5 in Taxonomy and geographic variation of Formicivora serrana (Hellmayr, 1929) and Formicivora littoralis Gonzaga and Pacheco, 1990 (Aves: Passeriformes: Thamnophilidae)
FIGURE 5. Map showing the distribution of the patterns of the white supercilium character in adult males. ES, MG and RJ mean, respectively, Espírito Santo, Minas Gerais and Rio de Janeiro states.
FIGURE 22 in Taxonomy and geographic variation of Formicivora serrana (Hellmayr, 1929) and Formicivora littoralis Gonzaga and Pacheco, 1990 (Aves: Passeriformes: Thamnophilidae)
FIGURE 22. Map showing the distribution of the patterns of the rectrices character in adult females.
FIGURE 6 in Taxonomy and geographic variation of Formicivora serrana (Hellmayr, 1929) and Formicivora littoralis Gonzaga and Pacheco, 1990 (Aves: Passeriformes: Thamnophilidae)
FIGURE 6. Patterns of the white supercilium character found on specimens of F. s. interposita. From above to below: large and uninterrupted (MNRJ 16979), thin and uninterrupted (MNRJ 44422), thin and interrupted (MNRJ 36750 - holotype) and post ocular white macula (MNRJ 44657).
FIGURE 17 in Taxonomy and geographic variation of Formicivora serrana (Hellmayr, 1929) and Formicivora littoralis Gonzaga and Pacheco, 1990 (Aves: Passeriformes: Thamnophilidae)
FIGURE 17. Map showing the distribution of the patterns of the tibia feathers character in adult males.
FIGURE 4 in Taxonomy and geographic variation of Formicivora serrana (Hellmayr, 1929) and Formicivora littoralis Gonzaga and Pacheco, 1990 (Aves: Passeriformes: Thamnophilidae)
FIGURE 4. Observed patterns of the character white supercilium. A. large and uninterrupted (F. s. serrana, MNRJ 27247). B. thin and uninterrupted (F. s. interposita, MNRJ 44422). C. post ocular thin and uninterrupted (F. s. littoralis, MNRJ 39171). D. thin and interrupted (MNRJ 36750—holotype of F. s. interposita). E. thin and interrupted with only a few feathers (F. s. littoralis, MNRJ 36800). F. post ocular white macula (F. s. littoralis, MNRJ 43737).
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