Wendy Shattil / Light shining through the U.S. border wall, Organ Pipe Cactus National Monument, Arizona, USA, March 2020.

Wendy Shattil / Silhouette of Saguaro cactus (Carnegiea gigantea) through border wall from Organ Pipe Cactus National Monument, Arizona, USA. March.

Wendy Shattil / Crater from a dormant volcano in El Pinacate Biosphere Reserve, Mexico. March 2020.

Wendy Shattil / Saguaro cactus (Carnegiea gigantea) silhouetted at sunset, Organ Pipe Cactus National Monument, Arizona, USA, March 2020. Medium repro only

Wendy Shattil / Great kiskadee (Pitangus sulphuratus) reflected in pond. Lower Rio Grande Valley, Texas, USA. July.

Wendy Shattil / Bobwhite quail (Colinus virginianus) male crossing road. Southmost Preserve, Nature Conservancy Reserve, Brownsville, Texas, USA. July.

Wendy Shattil / Rabb Plantation House, Sabal Palms Sanctuary, Brownsville, Texas, USA. July 2019.

Wendy Shattil / Gate along USA-Mexico border wall through Southmost Preserve. The border wall separates 85% of the reserve from the United State's side of the barrier. Nature Conservancy Reserve, Brownsville, Tex...

Wendy Shattil / House viewed through border wall. Southmost Preserve, Nature Conservancy Reserve, Brownsville, Texas, USA. 2019.

Wendy Shattil / Black-tailed jackrabbit (Lepus californicus) viewed through border wall. Southmost Preserve, The Nature Conservancy Reserve. The border wall separates 85% of the reserve from the United State's si...

Wendy Shattil / Coyote (Canis latran) howling within no-man's land, Southmost Preserve, The Nature Conservancy Reserve. The border wall separates 85% of the reserve from the United State's side of the barrier...

Wendy Shattil / Border wall with seven inch wide opening at bottom for wildlife. Southmost Preserve, Nature Conservancy Reserve, Brownsville, Texas, USA. 2019.

Wendy Shattil / Hand and foot prints from people who have attempted to climb border wall following crossing the Rio Grande. Southmost Preserve, Nature Conservancy Reserve, Brownsville, Texas, USA. 2019.

Wendy Shattil / Hand and foot prints from people who have attempted to climb border wall following crossing the Rio Grande. Southmost Preserve, Nature Conservancy Reserve, Brownsville, Texas, USA. 2019.

Wendy Shattil / Texas indigo snake (Drymarchon corais erebennus) trail across dirt road. Southmost Preserve, Nature Conservancy Reserve, Brownsville, Texas, USA. July.

Wendy Shattil / Black vulture (Coragyps atratus) in flight. Organ Pipe Cactus National Monument, Arizona, USA. November.

Wendy Shattil / Chihuahuan raven (Corvus cryptoleucus) in flight over USA border from Mexico. Organ Pipe Cactus National Monument, Arizona, USA. November.

Wendy Shattil / Border wall between United States and Mexico through Sonoran Desert with Saguaro (Carnegiea gigantea) cacti, in morning light. Organ Pipe Cactus National Monument, Arizona, USA. May 2019.

Wendy Shattil / Quitobaquito Springs. Organ Pipe Cactus National Monument, Arizona, USA. November 2019.

Wendy Shattil / Ditch feeding into Quitobaquito Springs. Organ Pipe Cactus National Monument, Arizona, USA. November.

Wendy Shattil / Black vulture (Coragyps atratus) group perching on Saguaro (Carnegiea gigantea) cacti in evening light. Next to USA-Mexico border, Organ Pipe Cactus National Monument, Sonoran Desert, Arizona, USA. No...

Wendy Shattil / Saguaro cactus (Carnegiea gigantea) on back of truck, removed for replanting to make way for construction of border wall between USA and Mexico. Organ Pipe Cactus National Monument, Arizona, USA. Nove...

Wendy Shattil / Construction of border wall, area cleared of Sonoran Desert vegetation. Between Sonoyta, Mexico and Organ Pipe Cactus National Monument, Arizona, USA. 2019.

Wendy Shattil / Border wall construction, view from Sonoyta, Mexico towards Organ Pipe Cactus National Monument, Arizona, USA. November 2019.

Wendy Shattil / Border wall constuction through the Sonoran Desert. View from Sonoyta, Mexico towards Organ Pipe Cactus National Monument, Arizona, USA. November 2019.

Wendy Shattil / Anna's hummingbird (Calypte anna) perched on branch. Quitobaquito Springs, Organ Pipe Cactus National Monument, Arizona, USA. November.

Wendy Shattil / Black vulture (Coragyps atratus) perched on Saguaro cactus (Carnegiea gigantea) beside border wall between Mexico and USA. Organ Pipe Cactus National Monument, Arizona, USA. December.

Wendy Shattil / Black vulture (Coragyps atratus), two perched on Saguaro cactus (Carnegiea gigantea). Organ Pipe Cactus National Monument, Arizona, USA. November.

Wendy Shattil / Saguaro (Carnegiea gigantea) cacti in Sonoran Desert, divided by border wall between USA and Mexico. Organ Pipe Cactus National Monument, Arizona, USA. November 2019.

Wendy Shattil / Saguaro (Carnegiea gigantea) cacti in Sonoran Desert, divided by border wall between USA and Mexico. Organ Pipe Cactus National Monument, Arizona, USA. November 2019.

Wendy Shattil / Construction of border wall, view from Sonoyta, Mexico with Organ Pipe National Monument, Arizona, USA on the other side. November 2019.

Wendy Shattil / Border wall construction, view from Sonoyta, Mexico towards Organ Pipe Cactus National Monument, Arizona, USA. November 2019.

Wendy Shattil / Construction to replace boundary posts with 30 foot steel border wall. View from Sonoyta, Mexico to Organ Pipe Cactus National Monument, Arizona, USA. November 2019.

Wendy Shattil / Black vulture (Coragyps atratus) group perching on Saguaro (Carnegiea gigantea) cactus. Organ Pipe Cactus National Monument, Arizona, USA. November.

Wendy Shattil / Construction to replace boundary posts with 30 foot steel boundary walls. Sonoran Desert between Mexico and Organ Pipe Cactus National Monument, Arizona, USA. November 2019.

Wendy Shattil / Border wall through Sonoran Desert, sun rays at top of wall. Organ Pipe Cactus National Monument, Arizona, USA. November 2019.

Wendy Shattil / Border posts through Sonoran Desert along Mexico-USA border, prior to construction of 30 foot steel wall. View from Mexico, Organ Pipe National Monument, Arizona, USA on other side. November 2019.

Wendy Shattil / Aerial view of Rio Grande and border crossing between Roma, Texas, USA and Ciudad Miguel Aleman, Tamaulipas, Mexico. July 2019.

Wendy Shattil / Lower Rio Grande Valley between Roma and Rio Grande City, Texas, USA. Aerial view from Tamaulipas, Mexico. July 2019.

Wendy Shattil / Aerial view of border wall at Southmost Preserve, Texas, USA. 85% of the reserve lies on the no-man's land side between the wall and the Rio Grande river disrupting The Nature Conservancy's ac...

Wendy Shattil / Aerial view of Lower Rio Grande Valley and coast north of Rio Grande river to South Padre Island, Cameron County, Texas, USA. July 2019.

Wendy Shattil / Aerial view of Rio Grande flowing into Gulf of Mexico, the border between Cameron County, Texas, USA and Tamaulipas, Mexico. July 2019.

Wendy Shattil / Aerial view of Rio Grande flowing into Gulf of Mexico, the border between Cameron County, Texas, USA and Tamaulipas, Mexico. July 2019.

Wendy Shattil / Aerial view across Las Palomas Wildlife Management Area, Cameron County, Texas, USA to mouth of the Rio Grande and Gulf of Mexico. River is border with Tamaulipas, Mexico. July 2019.

Wendy Shattil / Aerial view of the Rio Grande near its mouth, the border between Tamaulipas, Mexico and Cameron County, Texas, USA. July 2019.

Wendy Shattil / Aerial view of border wall in Mission, Hidalgo County, Texas, USA. July 2019.

Wendy Shattil / Citrus orchard, aerial view. McAllen, Hidalgo County, Texas, USA.

Wendy Shattil / Aerial view of Madero looking across the Rio Grande to Ejido Los Cavazos Tamaulipas, Mexico. Hidalgo County, Texas, USA. July 2019.