Green Shrike-Vireo

The green shrike-vireo (Vireolanius pulchellus) is a species of bird in the family Vireonidae, the vireos, greenlets, and shrike-babblers. It is found in Mexico and every Central American country. == Taxonomy and systematics == The green shrike-vireo was originally described in 1859 as Vireolanius pulchellus, its present binomial. However, for a time in the early twentieth century it was placed in genus Smaragdolanius and its own family, Vireolaniidae. By the 1970s Smaragdolanius had been merged into Vireolanius and included in the family Vireonidae. The green shrike-vireo has these four subspecies: V. p. ramosi Phillips, AR, 1991 V. p. pulchellus Sclater, PL & Salvin, 1859 V. p. verticalis Ridgway, 1885 V. p. viridiceps Ridgway, 1903 What is now the yellow-browed shrike-vireo (V. eximius) was previously included as another subspecies. The green and yellow-browed shrike-vireos form a superspecies. == Description == The green shrike-vireo is 12 to 15 cm (4.7 to 5.9 in) long and weighs 22 to 30 g (0.78 to 1.1 oz). It is a bulky bird and a large member of its family. The sexes have the same plumage. They have a cerulean blue crown and nape with some green in the center of the crown. The sides of…