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38 results for “Icteridae”
Figure 12 in Feather mites (Acariformes: Astigmata) from the yellow-rumped cacique, Cacicus cela (Linnaeus, 1758) (Passeriformes: Icteridae) in Brazil, with description of four new species
Figure 12. Mesalgoides brasiliensis sp. nov.: (a–d) legs I–IV of male; (e) dorsal view of opisthosoma of male; (f) genu, tibia and tarsus III of female; (g) tibia and tarsus IV of female; (h) female spermatheca.
Figure 9 in Feather mites (Acariformes: Astigmata) from the yellow-rumped cacique, Cacicus cela (Linnaeus, 1758) (Passeriformes: Icteridae) in Brazil, with description of four new species
Figure 9. Trouessartia cacica sp. nov.: (a–d) legs I–IV of male; (e) leg IV of female; (f) ventral view of opisthosoma of male.
Figure 6 in Feather mites (Acariformes: Astigmata) from the yellow-rumped cacique, Cacicus cela (Linnaeus, 1758) (Passeriformes: Icteridae) in Brazil, with description of four new species
Figure 6. Amerodectes gracilisimilis sp. nov.: (a–d) legs I–IV of male; (e) aedeagus of male; (f) genu, tibia and tarsus IV of female; (g) spermatheca of female. Amerodectes gracilis (Trouessart 1885): (h) aedeagus of male and (i) spermatheca of female.
Figure 8 in Feather mites (Acariformes: Astigmata) from the yellow-rumped cacique, Cacicus cela (Linnaeus, 1758) (Passeriformes: Icteridae) in Brazil, with description of four new species
Figure 8. Trouessartia cacica sp. nov., female habitus: (a) dorsal and (b)ventral views; (c) female spermatheca.
Figure 1 from: Costa MC, Medolago CAB, Murcia A, Francisco MR (2020) Reproductive parameters of the Chestnut-capped Blackbird, Chrysomus ruficapilus (Passeriformes: Icteridae), in a natural wetland from southeastern Brazil. Zoologia 37: 1-5. https://doi.org/10.3897/zoologia.37.e36026
Figure 1 Nesting site of Chrysomus ruficapillus. Study area with high density of Rhynchospora corymbosa (L.), emergent plant preferentially used for nest building. Photo: MC Costa.
Figure 3-6 from: Costa MC, Medolago CAB, Murcia A, Francisco MR (2020) Reproductive parameters of the Chestnut-capped Blackbird, Chrysomus ruficapilus (Passeriformes: Icteridae), in a natural wetland from southeastern Brazil. Zoologia 37: 1-5. https://doi.org/10.3897/zoologia.37.e36026
Figure 3-6 Nests, eggs and nestling of Chrysomus ruficapillus. (3) Side view of a nest. (4) Details of the nest and egg. (5) Details of a newly born nestling and two eggs. (6) Details of two nestlings with 6-7 days. Photos: MC Costa and CAB Medolago.
Figure 2 from: Costa MC, Medolago CAB, Murcia A, Francisco MR (2020) Reproductive parameters of the Chestnut-capped Blackbird, Chrysomus ruficapilus (Passeriformes: Icteridae), in a natural wetland from southeastern Brazil. Zoologia 37: 1-5. https://doi.org/10.3897/zoologia.37.e36026
Figure 2 Numbers of active nests (incubation and nestling stages) of Chrysomus ruficapilus for the reproductive season of 2017/2018.
Data from: Evolution of carotenoid pigmentation in caciques and meadowlarks (Icteridae): repeated gains of red plumage coloration by carotenoid C4-oxygenation
Many animals use carotenoid pigments to produce yellow, orange, and red coloration. In birds, at least 10 carotenoid compounds have been documented in red feathers; most of these are produced through metabolic modification of dietary precursor compounds. However, it is poorly understood how lineages have evolved the biochemical mechanisms for producing red coloration. We used high-performance liquid chromatography to identify the carotenoid compounds present in feathers from 15 species across two clades of blackbirds (the meadowlarks and allies, and the caciques and oropendolas; Icteridae), and mapped their presence or absence on a phylogeny. We found that the red plumage found in meadowlarks includes different carotenoid compounds than the red plumage found in caciques, indicating that these gains of red color are convergent. In contrast, we found that red coloration in two closely related lineages of caciques evolved twice by what appear to be similar biochemical mechanisms. The C4-oxygenation of dietary carotenoids was responsible for each observed transition from yellow to red plumage coloration, and has been commonly reported by other researchers. This suggests that the C4-oxygenation pathway may be a readily evolvable means to gain red coloration using carotenoids.
Figure 1 from: da Silva Mohr LR, Périco E, da Silva Fonseca VS, Mohr AR (2017) The breeding biology, nest success, habitat and behavior of the endangered Saffron-cowled Blackbird, Xanthopsar flavus (Aves: Icteridae), at an Important Bird Area (IBA) in Rio Grande do Sul, Brazil. Zoologia 34: 1-10. https://doi.org/10.3897/zoologia.34.e20783
Figure 1 - Map of study area, with the Wildlife Refuge Banhado dos Pachecos (WRBP) and, in its immediate vicinity, the Environmental Protection Area of Banhado Grande (EPABG), in the state of Rio Grande do Sul, Brazil.
Linked collectors and determiners for: Type Specimens Of Birds In The American Museum Of Natural History Part 11. Passeriformes: Parulidae, Drepanididae, Vireonidae, Icteridae, Fringillinae, Carduelinae, Estrildidae, And Viduinae.
Natural history specimen data linked to collectors and determiners held within, "Type Specimens Of Birds In The American Museum Of Natural History Part 11. Passeriformes: Parulidae, Drepanididae, Vireonidae, Icteridae, Fringillinae, Carduelinae, Estrildidae, And Viduinae". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/85bd2c66-f9f0-4172-8d82-2e8841cd354a">https://bionomia.net/dataset/85bd2c66-f9f0-4172-8d82-2e8841cd354a</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/85bd2c66-f9f0-4172-8d82-2e8841cd354a">https://gbif.org/dataset/85bd2c66-f9f0-4172-8d82-2e8841cd354a</a>. Formatted as a Frictionless Data package.
Figure 11 in Feather mites (Acariformes: Astigmata) from the yellow-rumped cacique, Cacicus cela (Linnaeus, 1758) (Passeriformes: Icteridae) in Brazil, with description of four new species
Figure 11. Mesalgoides brasiliensis sp. nov., female habitus: (a) dorsal and (b) ventral views.
Figure 4 in Feather mites (Acariformes: Astigmata) from the yellow-rumped cacique, Cacicus cela (Linnaeus, 1758) (Passeriformes: Icteridae) in Brazil, with description of four new species
Figure 4. Amerodectes gracilisimilis sp. nov., male habitus: (a) dorsal and (b) ventral views.
Figure 10 in Feather mites (Acariformes: Astigmata) from the yellow-rumped cacique, Cacicus cela (Linnaeus, 1758) (Passeriformes: Icteridae) in Brazil, with description of four new species
Figure 10. Mesalgoides brasiliensis sp. nov., male habitus: (a) dorsal and (b) ventral views.
Figure 2 in Feather mites (Acariformes: Astigmata) from the yellow-rumped cacique, Cacicus cela (Linnaeus, 1758) (Passeriformes: Icteridae) in Brazil, with description of four new species
Figure 2. Proctophyllodes truncatilobus sp. nov., female habitus: (a) dorsal and (b) ventral views.
Figure 7 in Feather mites (Acariformes: Astigmata) from the yellow-rumped cacique, Cacicus cela (Linnaeus, 1758) (Passeriformes: Icteridae) in Brazil, with description of four new species
Figure 7. Trouessartia cacica sp. nov., male habitus: (a) dorsal and (b) ventral views.
Figure 1 in Feather mites (Acariformes: Astigmata) from the yellow-rumped cacique, Cacicus cela (Linnaeus, 1758) (Passeriformes: Icteridae) in Brazil, with description of four new species
Figure 1. Proctophyllodes truncatilobus sp. nov., male habitus: (a) dorsal and (b) ventral views.
Data from: Evolution of carotenoid pigmentation in caciques and meadowlarks (Icteridae): repeated gains of red plumage coloration by carotenoid C4-oxygenation
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Figure 5 in Feather mites (Acariformes: Astigmata) from the yellow-rumped cacique, Cacicus cela (Linnaeus, 1758) (Passeriformes: Icteridae) in Brazil, with description of four new species
Figure 5. Amerodectes gracilisimilis sp. nov., female habitus: (a) dorsal and (b) ventral views.
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