quiscalus mexicanus, male, perched on a branch.

branch bird animal wildlife tree twig nature beak flower wing plant blue sky leaf finch spring winter sparrow quiscalus mexicanus perched male species icteridae family common great-tailed grackle mexican grackle grackles originated tropical lowlands central south america range expanded north america males iridescent black purple-blue sheen feathers head upper body adults sexes bright yellow eyes maya biosphere reserve mbr petén department guatemala