|Grass-green Tanager, Chlorornis riefferii|
|2 subfamilies, 18 tribes, 95 genera, 383 species|
The tanagers (singular //) comprise the bird family Thraupidae, in the order Passeriformes. Together with the cardinal family, they form the Thraupid group in the Icteroidae epifamily. The family has an American distribution. The Thraupidae are the second-largest family of birds and represent about 4% of all avian species and 12% of the Neotropical birds. Traditionally, about 240 species of tanagers have been described, but the taxonomic treatment of this family's members is currently in a state of flux. As more of these birds are studied using modern molecular techniques, some genera are expected to be relocated elsewhere. Already, species in the genera Euphonia and Chlorophonia, which were once considered part of the tanager family, are now treated as members of Fringillidae, in their own subfamily (Euphoniinae). Likewise, the genera Piranga (which includes the Scarlet Tanager, Summer Tanager, and Western Tanager), Chlorothraupis, and Habia appear to be members of the cardinal family, and have been reassigned to that family by the American Ornithologists' Union.
Tanagers are small to medium-sized birds. The shortest-bodied species, the White-eared Conebill, is 9 cm (3.8 in) long and weighs 7 grams, barely smaller than the Short-billed Honeycreeper. The longest, the Magpie Tanager is 28 cm (11 in) and weighs 76 grams (2.7 oz). The heaviest is the White-capped Tanager which weighs 114 grams (4 oz) and measures about 24 cm (9.5 in). Both sexes are usually the same size and weight. Tanagers are often brightly colored, but some species are black and white. Birds in their first year are often duller or a different color altogether. Males are typically more brightly coloured than females.
Tanagers are restricted to the New World and mainly to the tropics. About 60% of tanagers live in South America, and 30% of these species live in the Andes. Most species are endemic to a relatively small area.
Most tanagers live in pairs or in small groups of 3-5 individuals. These groups may consist simply of parents and their offspring. Birds may also be seen in single species or mixed flocks. Many tanagers are thought to have dull songs, though some are elaborate.
Tanagers are omnivorous, and their diet varies from genus to genus. They have been seen eating fruits, seeds, nectar, flower parts and insects. Many pick insects off branches. Other species look for insects on the underside of leaves. Yet others wait on branches until they see a flying insect and catch it in the air. Many of these particular species inhabit the same areas, but these specializations alleviate competition.
The breeding season begin in March through until June in temperate areas and in September through October in South America. Some species are territorial while others build their nests closer together. There is little information on tanager breeding behavior or whether they are monogamous or polygamous. Males show off their brightest feathers to potential mates and rival males. Some species' courtship rituals involve bowing and tail lifting.
Most tanagers build cup nests on branches in trees. Some nests are almost globular. Entrances are usually built on the side of the nest. The nests can be shallow or deep. The species of the tree they choose to build their nest in and the nest's position varies among genera. Most species nest in an area hidden by very dense vegetation. There is still no information on the nests of some species.
The clutch size is 3–5 eggs. The female incubates the eggs and builds the nest, but the male may feed the female while she incubates. Both sexes feed the young. Five species have helpers assist in feeding the young. These helpers are thought to be the previous year's nestlings.
Phylogenetic studies suggest the true tanagers form three main groups two of which consist of several smaller, well-supported clades. The list below is an attempt using information gleaned from the latest studies to organise them into coherent related groups, and as such may contain groupings not yet accepted by or are under review by the various ornithological taxonomy authorities.
Mainly dull-coloured forms
a) Conebill and flowerpiercer group (Also contains Haplospiza, Catamenia, Acanthidops, Diglossa, Diglossopis, Phrygilus and Sicalis traditionally in the Emberizidae) This group despite having a rather varied bill morphology shows marked plumage similarities. Most are largely grey, blue, or black, and numerous have rufous on the underparts:
- Genus Conirostrum – typical conebills (10 species)
- Genus Oreomanes – Giant Conebill
- Genus Xenodacnis – Tit-like Dacnis
- Genus Catamenia (3 species)
- Genus Diglossa – typical flowerpiercers (14 species)
- Genus Diglossopis – blue flowerpiercers (4 species)
- Genus Haplospiza (2 species). Paraphyletic with 2 species of sierra-finch Phrygilus
- Genus Acanthidops – Peg-billed Finch
- Genus Phrygilus - sierra finches (11 species)
- Genus Sicalis – yellow finches (12 species). Paraphyletic with Phrygilus
- Genus Sporophila – typical seedeaters (some 55 species)
- Genus Oryzoborus (6 species)
- Genus Dolospingus – White-naped Seedeater
- Genus Charitospiza – Coal-crested Finch
c) "Yellow-rumped" clade:
- Genus Ramphocelus – silver-billed tanagers (9 species)
- Genus Lanio – shrike-tanagers (4 species)
- Genus Eucometis – Gray-headed Tanager
- Genus Tachyphonus (8 species)
- Genus Trichothraupis – Black-goggled Tanager
- Genus Stephanophorus – Diademed Tanager
- Genus Coryphospingus (2 species)
- Genus Volatinia – Blue-black Grassquit
e) "Blue Finch" clade. Relationships within Thraupidae uncertain but may be related to "Poospiza" clade:
f) The "Poospiza" clade - a diverse but close-knit group containing both warbler and finch-like forms:
- Genus Poospiza – Warbling-finches (15 species)
- Genus Compsospiza - mountain finches (2 species)
- Genus Cnemoscopus – Gray-hooded Bush Tanager
- Genus Hemispingus – hemispinguses (12 species)
- Genus Thlypopsis (6 species)
- Genus Pyrrhocoma – Chestnut-headed Tanager
- Genus Cypsnagra – White-rumped Tanager
- Genus Nephelornis – Pardusco
g) Grass & Pampa-finches. Relationships within Thraupidae uncertain but together form a well-supported clade:
h) A miscellaneous and likely polyphyletic group of unplaced "tanager-finches" (which may or may not include the species called Tanager-finch) whose members when studied will no doubt be relocated to other clades:
- Genus Melanodera (2 species)
- Genus Rowettia – Gough Island Finch
- Genus Nesospiza (2 species)
- Genus Gubernatrix – Yellow Cardinal
- Genus Idiopsar – Short-tailed Finch
- Genus Piezorina – Cinereous Finch
- Genus Xenospingus – Slender-billed Finch
- Genus Incaspiza – inca finches (5 species)
- Genus Coryphaspiza – Black-masked Finch
- Genus Rhodospingus – Crimson-breasted Finch
- Genus Donacospiza – Long-tailed Reed Finch (may be related to Poospiza)
i) Basal forms in group 1:
"Typical" colourful Tanagers
a) Tropical canopy tanagers:
- Genus Thraupis - T. abbas & episcopus at least
- Genus Pipraeidea (2 species)
- Genus Tangara (about 50 species)
- Genus Geospiza – ground finches (6 species)
- Genus Camarhynchus – tree finches (5 species)
- Genus Platyspiza - Vegetarian Finch
- Genus Certhidea – Warbler-finches (2 species)
- Genus Pinaroloxias – Cocos Finch
- Genus Melopyrrha – Cuban Bullfinch
- Genus Coereba – Bananaquit. Formerly placed in own family Coerebidae
- Genus Tiaris – grassquits (5 species) - polyphyletic
- Genus Loxipasser – Yellow-shouldered Grassquit
- Genus Euneornis – Orangequit
- Genus Melanospiza – St. Lucia Black Finch
- Genus Loxigilla – Antillean bullfinches (3 species) - polyphyletic
c) Mountain tanagers:
- Genus Cyanicterus – Blue-backed Tanager
- Genus Bangsia – (5 species)
- Genus Buthraupis – (2 species)
- Genus Cnemathraupis – (2 species)
- Genus Chlorornis – Grass-green Tanager
- Genus Wetmorethraupis – Orange-throated Tanager
- Genus Anisognathus – (5 species)
- Genus Dubusia – (2 species)
- Genus? Saltator rufiventris - Rufous-bellied 'Saltator'
d) Typical tanagers:
- Genus Diuca (2 species)
- Genus Lophospingus (2 species)
- Genus Neothraupis – White-banded Tanager
- Genus Cissopis – Magpie Tanager
- Genus Paroaria (5–6 species)
- Genus Schistochlamys (2 species)
f) Green & Golden-collared Honeycreepers:
g) Typical honeycreepers and relatives:
- Genus Tersina – Swallow Tanager
- Genus Cyanerpes, the typical honeycreepers (4 species)
- Genus Pseudodacnis – Turquoise Dacnis-tanager
- Genus Dacnis, the dacnises (8 species)
- Genus Chlorochrysa (3 species)
- Genus Parkerthraustes – Yellow-shouldered Grosbeak (traditionally in Cardinalidae, but biochemical evidence suggests it is a tanager)
- Genus Nemosia – (2 species)
- Genus Compsothraupis – Scarlet-throated Tanager
- Genus Sericossypha – White-capped Tanager
- Genus Saltator (16 species; traditionally placed in Cardinalidae, but biochemical evidence suggests they may be tanagers or a sister group)
- Genus Saltatricula – Many-colored Chaco-finch. Traditionally placed in the Emberizidae but may be related to one of the Saltators
Thraupidae incertae sedis
- Genus Mitrospingus (2 species)
- Genus Orthogonys – Olive-green Tanager
- Genus Calochaetes – Vermilion Tanager
- Genus Catamblyrhynchus – Plushcap
- Genus Oreothraupis – Tanager Finch
- Genus Urothraupis – Black-backed Bush Tanager
- Genus Rhodinocichla – Rosy Thrush-Tanager
- Genus Lamprospiza – Red-billed Pied Tanager
- Genus Phaenicophilus – palm tanagers (2 species)
- Genus Xenoligea – White-winged warbler
- Genus Microligea – Green-tailed warbler
- Genus Calyptophilus – chat-tanagers (2 species)
- Genus Nesospingus – Puerto Rican Tanager
- Genus Incaspiza - Inca finches (5 species)
Recently split from Thraupidae
- Genus Chlorospingus – bush-tanagers (around 10 species)
- Genus Piranga – northern tanagers (9 species)
- Genus Habia – ant-tanagers or habias (5 species)
- Genus Chlorothraupis (3 species)
- Genus Amaurospiza (4 species; apparently very close to Cyanocompsa)
- Genus Spindalis – spindalises (4 species).
- ^ Burns, K.J.; et al. (2014). "Phylogenetics and diversification of tanagers (Passeriformes: Thraupidae), the largest radiation of Neotropical songbirds". Molecular Phylogenetics and Evolution. 75: 41–77. PMID 24583021. doi:10.1016/j.ympev.2014.02.006.
- ^ Yuri, T.; Mindell, D. P. (May 2002). "Molecular phylogenetic analysis of Fringillidae, "New World nine-primaried oscines" (Aves: Passeriformes)". Molecular Phylogenetics and Evolution. 23 (2): 229–243. PMID 12069553. doi:10.1016/S1055-7903(02)00012-X.
- ^ Fjeldså & Rahbek (2006) & Klicka et al. (2007)
- ^ See http://www.museum.lsu.edu/~Remsen/SACCBaseline.html
- ^ Burns et al. (2003) & Klicka et al. (2007)
- ^ See Webster & Webster (1999). If the presence of a free lacrimal bone as found in Haplospiza, Acanthidops, and two of the three Catamenias has any phylogenetic significance then this clade may also include several other "tanager-finches" that share this feature
- ^ Klicka (2007)
- ^ Webster & Webster (1999) & Klicka et al. (2007). Probably polyphyletic
- ^ a b Klicka et al. (2007)
- ^ Clark (1986)
- ^ See Lijtmaer et al. (2004) & Robbins et al. (2005). Polyphyletic. Members of this genus are paraphyletic with various members of Sporophila
- ^ See Robbins et al. (2005). This species is nested within a group containing both Sporophila and Oryzoborus
- ^ Burns et al. (2003)
- ^ (See below: Group 1f)
- ^ Klicka et al. (2007). This species formerly placed near Passerina in the Cardinalidae is related to Phrygilus alaudinus a tanager-finch
- ^ Klicka et al. (2007). This genus is very likely polyphyletic within its clade
- ^ Ridgely & Tudor (1989) p.472
- ^ Klicka et al. (2007). Some members of this genus paraphyletic with respect to certain Tangara
- ^ See Burns et al. (2002) for the circumscription of this group the "domed nest clade" or "Tholospiza".
- ^ See Burns et al. (2002). Exact affinities uncertain but probably sister species to Tiaris olivacea in the "Tholospiza"
- ^ See http://www.museum.lsu.edu/~Remsen/SACCBaseline10.html Apparently close to mountain-tanagers Dubusia and Delothraupis
- ^ See Burns et al. (2003) for close relationship of these species
- ^ See Burns et al. (2003), Klicka et al. (2007) - may be closer to group 1
- ^ a b Klicka & Spellman (2007)
- ^ See http://www.museum.lsu.edu/~Remsen/SACCBaseline10.html
- ^ Klicka et al. (2007). Apparently closest to Saltator atricollis and this species may require moving to Saltatricula
- ^ See http://www.museum.lsu.edu/~Remsen/SACCBaseline10.html. May be related to the emberizine genus Atlapetes
- ^ See http://www.museum.lsu.edu/~Remsen/SACCBaseline11.html
- Bent, A. Life Histories of Blackbirds, Orioles, Tanagers, and Allies. New York:Dover Publications:1965. 549 p.
- Burns, K. J., S. J. Hackett, and N. K. Klein. 2002. Phylogenetic relationships and morphological diversity in Darwin's finches and their relatives. Evolution 56: 1240-1252.
- Burns, K. J., S. J. Hackett, and N. K. Klein. 2003. Phylogenetic relationships of Neotropical honeycreepers and the evolution of feeding morphology. J. Avian Biology 34: 360-370.
- Clark, G. A., JR. 1986. Systematic interpretations of foot-scute patterns of Neotropical finches. Wilson Bull. 98: 594-597.
- Fjeldså J. and Rahbek C. (2006). Diversification of tanagers, a species rich bird group, largely follows lowlands to montane regions of South America. Integrative and Comparative Biology 46(1):72-81. Download - http://intl-icb.oxfordjournals.org/cgi/reprint/46/1/72.
- Greeney, H. 2005. Nest and eggs of the Yellow-whiskered Bush Tanager in Eastern Ecuador. Ornitologia Neotropical 16: 437- 438.
- Hellmayr, C. E. 1935. Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History. Fieldiana Zoology v.13, pt.8. - for "Coerebidae". (Download available at http://www.archive.org/details/catalogueofbirds138hell)
- Hellmayr, C. E. 1936. Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History. Fieldiana Zoology v.13, pt.9. Tersinidae - Thraupidae. (Download available at http://www.archive.org/details/catalogueofbirds139hell)
- Hellmayr, C. E. 1938. Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History. Fieldiana Zoology v.13, pt.11. Ploceidae - Catamblyrhynchidae - Fringillidae. (Download available at http://www.archive.org/details/catalogueofbirdso1311hell)
- Infonatura. 2005 June. Birds, mammals, and amphibians of Latin America Accessed 2006 March 4.
- Isler M. Isler P. The Tanagers a Natural History, Distribution, and Identification. Washington D.C.: Smithsonian Institution Press: 1987. 404 p.
- Klicka, J., K. Burns, & G. M. Spellman. 2007. Defining a monophyletic Cardinalini: A molecular perspective. Molecular Phylogenetics and Evolution 45: 1014-1032
- Latta, S. 2006. et al. Aves de la República Dominicana y Haití. Princeton University Press.
- Lijtmaer, D. A., N. M. Sharpe, P. L. Tubaro & S. C. Lougheed. 2004. Molecular phylogenetics and diversification of the genus Sporophila (Aves: Passeriformes). Mol. Philo. Evol. 33:562-579.
- Lougheed, S. C., J. R. Freeland, P. Handford, & I. T. Boag. 2000. A molecular phylogeny of warbling-finches (Poospiza): paraphyly in a Neotropical emberizid genus. Molecular Phylogenetics and Evolution 17: 367-378.
- Montereybay. 2000 July. 6-11. Tanagers: Thraupidae Accessed 2006 March 4.
- Naoki, K. 2003. Evolution of Ecological Diversity in the Neotropical Tanagers of the Genus Tangara (Aves: Thraupidae). Dissertation available online, given to Louisiana State University.
- Ridgely, R. S., & G. Tudor. 1989. The Birds of South America, vol. 1. Univ. Texas Press, Austin.
- Robbins, M. B., M. J. Braun, C. J. Huddleston, D. W. Finch, & C. M. Milensky (2005). First Guyana records, natural history, and systematics of the White-winged Seedeater (Dolospingus fringilloides). Ibis 147:334-341.
- Sato, A., C. O'Huigin, F. Figueroa, P. R. Grant, B. R. Grant, H. Tichy, and J. Klein. 1999. Phylogeny of Darwin's finches as revealed by mtDNA sequences. Proc. Nat. Acad. Sci. 96: 5101-5106.
- Webster, J.D. & Webster, J.R. 1999. Skeletons and the genera. of sparrows (Emberizinae). Auk 116: 1054–1074.
- Yuri, T., and D. P. Mindell. 2002. Molecular phylogenetic analysis of Fringillidae, "New World nine-primaried oscines" (Aves: Passeriformes) Mol. Phylogen. Evol. 23:229-243.
- Jungle-walk.com Tanager pictures
- Tanager videos, photos and sounds on the Internet Bird Collection
- Thraupidae at the Open Directory Project
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