Blue Finch

Here the details of the Blue Finch named bird below:

SCI Name:  Porphyrospiza caerulescens
Protonym:  Tanagra caerulescens Beitr.Naturgesch.Brasil. 3 p.541
Taxonomy:  Passeriformes / Thraupidae / Porphyrospiza
Taxonomy Code:  blufin1
Type Locality:  Campos Gerae''s of inner Brazil [= interior of Bahia] .
Author:  zu Wied
Publish Year:  1830
IUCN Status:  Near Threatened

DEFINITIONS

PORPHYROSPIZA
(Thraupidae; Ϯ Blue Finch P. caerulescens) Gr. πορφυρα porphura  purple; σπιζα spiza  finch  < σπιζω spizō  to chirp; "GENUS XXI. PORPHYROSPIZA  GEN. NOV. III.   1. cyanella (Sparm.) ex Bras. int.  ...  III. PORPHYROSPIZA, gen. nov. p. 30  (πορφυρα, purpur, et σπιζα, fringilla).   A Cyanospiza, cujus coloribus gaudet, rostro graciliore, longiore, sicut in genere Coryphospingo formato, diversa, et huic generi magis approximanda.  Typus, P. CYANELLA, i.e. Cyanospiza cyanella, Pelzeln, Orn. Bras. p. 227, ex Brasilia" (P. Sclater & Salvin 1873); "Porphyrospiza P. L. Sclater and Salvin, 1873, Nomen. Av. Neotrop., pp. 30, 155. Type, by original designation, Cyanospiza cyanella Pelzeln (not Emberiza cyanella Sparrman) = Tanagra caerulescens Wied." (Paynter in Peters 1970, XIII, 238).
Var. Porphyriospiza.

caerulescens
Unattested L. caerulescens, caerulescentis  bluish (neither caerulescere nor caerulescens have been found in Classical Latin, but their existence may be inferred from caeruleus  azure-blue, by the example, amongst others, of rufus  red, ruddy, giving rufescere  to become reddish, and rufescens  reddish).
● "61. ANAS.  ...  cærulescens.  10. A. grisea, subtus alba, tectricibus alarum dorsoque postico cærulescentibus.  Anser canadensis, alis cæruleis. Edw. av. 152. t. 152.  Habitat in Canada." (Linnaeus 1758) (Anser).
● "43. LANIUS.  ...  cærulescens.  8. L. cauda forficata, corpore nigro cærulescente, abdomine albo.  Lanius cauda forcipata. Edv. av. 96. t. 56.  Habitat in Benghala." (Linnaeus 1758) (Dicrurus).
● ex “Héron bleuâtre de Cayenne” of d’Aubenton 1765-1781, “Crabier bleu à cou brun” of de Buffon 1770-1785, and “Blue Heron” of Latham 1785 (syn. Egretta caerulea).
● ex “Blue Roller” of Latham 1785 (syn. Eurystomus glaucurus).
● "41. FALCO.  ...  cærulescens.  7. F. cera palpebris pedibus subtusque luteus, dorso nigro-cærulescente, temporibus linea alba inclusis.  Accipiter minimus benghalensis. Edv. av. 108. t. 108.  Habitat in Asia." (Linnaeus 1758). This epithet is the thirteenth name in avian nomenclature. (Microhierax).
● ex "Oiseau bleu" of Dubois 1671, and "Gros oiseau" of Brown 1724 (‡Porphyrio).
● ex “Blue-necked Rail” of Latham 1785 (Rallus).
● ex "Fauvette bleuâtre de S. Domingue" of de Buffon 1770-1783, and "Blue-grey Warbler" of Latham 1783 (Setophaga).
● ex “Batara negro y aplomado” of de Azara 1802-1805, no. 213 (Thamnophilus).
● ex “Caerulean Creeper” of Latham 1801 (syn. Zosterops lateralis).