White Peacock, Lower Río Grande Valley. Photo by Joe Faulkner. All rights reserved.

Red-crowned Parrot, McAllen. Photo by Rick Taylor. Copyright Borderland Tours. All rights reserved.

Migrating Mississippi Kites, Santa Ana National Wildlife Reduge. Photo by Rick Taylor. Copyright Borderland Tours. All rights reserved.

Green Jay. Photo by Mark Rosenstein. All rights reserved.

Long-billed Thrasher. Photo by Mark Rosenstein. All rights reserved.

Couch's Kingbird. Photo by Rick Taylor. Copyright Borderland Tours. All rights reserved.

Scissor-tailed Flycatcher. Photo by Mark Rosenstein. All rights reserved.

Buff-bellied Hummingbird. Photo by Joe Faulkner. All rights reserved.

Lesser Nighthawk on a dayroost, Santa Ana NWR. Photo by Rick Taylor. Copyright Borderland Tours. All rights reserved.

Sabal Palm Sanctuary. Photo by Rick Taylor. Copyright Borderland Tours. All rights reserved.

Black-bellied Whistling-Duck. Photo by Rick Taylor. Copyright Borderland Tours. All rights reserved.

Least Grebe. Photo by Rick Taylor. Copyright Borderland Tours. All rights reserved.

Groove-billed Ani, Sabal Palm Sanctuary. Photo by Rick Taylor. Copyright Borderland Tours. All rights reserved.

Plain Chachalaca. Photo by Joe Faulkner. All rights reserved.

Gray-crowned Yellowthroat. Photo by Rick Taylor. Copyright Borderland Tours. All rights reserved.

Painted Bunting. Photo by Rick Taylor. Copyright Borderland Tours. All rights reserved.

Black Skimmers on South Padre Island. Photo by Mark Rosenstein. All rights reserved.

Reddish Egret. Photo by Joe Faulkner. All rights reserved.

King Rail. Photo by Joe Faulkner. All rights reserved. 

Least Bittern. Photo by Rick Taylor. Copyright Borderland Tours. All rights reserved.

Audubon's Oriole. Photo by Mark Rosenstein. All rights reserved.

Cassin's Sparrow, Zapata. Photo by Rick Taylor. Copyright Borderland Tours. All rights reserved.

Great Horned Owl. Photo by Mark Rosenstein. All rights reserved.  

Golden-cheeked Warbler, Lost Maples State Natural Area, Edwards Plateau. Photo by Rick Taylor. Copyright Borderland Tours. All rights reserved.

Black-crested Titmouse. Photo by Mark Rosenstein. All rights reserved.

Greater Roadrunner. Photo by Joe Faulkner. All rights reserved.

Nine-banded Armadillo. Photo by Rick Taylor. Copyright Borderland Tours. All rights reserved.

Canyon Wren on the Rio Frio. Photo by Rick Taylor. Copyright Borderland Tours. All rights reserved.

Mexican Free-tailed Bats, afternoon, Río Frío Cave. Photo by Rick Taylor. Copyright Borderland Tours. All rights reserved.

 Mexican Free-tailed Bats, sundown, Río Frío Cave. Photo by Rick Taylor. Copyright Borderland Tours. All rights reserved.

Mexican Free-tailed Bats, moonrise, Río Frío Cave. Photo by Rick Taylor. Copyright Borderland Tours. All rights reserved.