gray treepie Dendrocitta formosae

A long-tailed corvid found in lowland to submontane forests, parks, and gardens. Adults have black face, gray nape, brown back, pale belly, dark wings (with white patch visible in flight), orange undertail coverts, and long, black-tipped gray tail. Raucous, with a diverse repertoire; squawks and chatters loudly, but also whistles tunefully. Social, often in pairs or flocks, sometimes with other species. Forages primarily in trees, but also descends to the ground occasionally.