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Pulsatrix perspicillata
The Spectacled Owl, Pulsatrix perspicillata, is a large tropical owl. It is a resident breeder from southern Mexico and Trinidad, through Central America, south to southern Brazil, Paraguay and northwestern Argentina. The Spectacled Owl can range from 43 to 52 cm (17 to 20 in) in length. Mass in males can range from 453 to 700 g (1.00 to 1.5 lb), where as females can weigh from 680 to 1,000 g (1.5 to 2.2 lb)
The Spectacled Owl is primarily a bird of tropical rain forests, being found mostly in areas where dense, old-growth forest is profuse. However, it may enter secondary habitats, such as forest edges, especially while hunting. On occasion, they have been found in dry forests, treed savanna plains, plantations and semi-open areas with trees.
A large owl perched in a tree by the Sarapiqui River, Costa Rica. That area had many mangrove trees growing also. n Costa Rica, eggs are laid variously in the dry season (November–May), or at the start of the wet season (June–July). This owl typically nests in an unlined tree cavity. http://fieldguides.com/news/?p=3704