"This 45,000-acre national wildlife refuge (NWR) is a mustvisit for birders in South Texas; more than 400 species have been reported, representing the highest number in the NWR system. Laguna Atascosa, the 3,100-acre shallow brackish lake, is part of the greater Laguna Madre of Texas and Mexico, which supports 80 percent of North America’s wintering Redhead.
Key birds: Least Grebe, Neotropic Cormorant, Reddish Egret, White and White-faced Ibis, Roseate Spoonbill, Black-bellied Whistling-Duck, Mottled Duck, Harris’s Hawk, White-tailed Hawk, Crested Caracara, Aplomado Falcon (reintroduced), Plain Chachalaca, Gull-billed Tern, White-tipped Dove, Greater Roadrunner, Pauraque, Ringed Kingfisher, Green Kingfisher, Golden-fronted Woodpecker, Northern Beardless-Tyrannulet, Great Kiskadee, Couch’s Kingbird, Green Jay, Cactus Wren, Long-billed Thrasher, and Olive Sparrow are present year-round. Magnificent Frigatebird, Least Bittern, Wood Stork, Purple Gallinule, Groove-billed Ani, Lesser and Common Nighthawks, Buff-bellied Hummingbird, Brown-crested and Scissortailed Flycatchers, Chihuahuan Raven, Tropical Parula, Varied and Painted Buntings, Dickcissel, Botteri’s and Cassin’s Sparrows, and Hooded Oriole occur in summer. Osprey, Peregrine and Prairie Falcons, Sandhill Crane, Burrowing and Short-eared Owls, Vermilion Flycatcher, Sage Thrasher, Green-tailed Towhee, Clay-colored and LeConte’s Sparrows, and Altamira Oriole can usually be found in winter."