"The Boca Chica area does not get the attention from birders that it deserves, so year-round reports are lacking. The area is 1 of 23 units of the Las Palomas Wildlife Management Area, which runs for 120 miles from the mouth of the Rio Grande to the Prieta Unit in Starr County.
Key birds: Least Grebe, American White and Brown Pelicans, 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, Plain Chachalaca, White-tipped Dove, Greater Roadrunner, Groove-billed Ani, Pauraque, Buff-bellied Hummingbird, Ringed Kingfisher, Green Kingfisher, Golden-fronted Woodpecker, Northern Beardless-Tyrannulet, Great Kiskadee, Couch’s Kingbird, Green Jay, Long-billed Thrasher, Tropical Parula, Olive Sparrow, and Altamira Oriole occur year-round. Anhinga, Magnificent Frigatebird, Least Bittern, Wood Stork, Fulvous Whistling-Duck, Purple Gallinule, Wilson’s Plover, Least Tern, Brown-crested Flycatcher, Blue Grosbeak, and Botteri’s Sparrow are present in summer. Northern Gannet, Osprey, White-tailed Hawk, Merlin, Peregrine Falcon, Snowy and Piping Plovers, and Vermilion Flycatcher can usually be found in winter."