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See our science through the images below.

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Image: Mud Nest of Hornero
Mud Nest of Hornero
Mud Nest of Hornero
Mud Nest of Hornero

Bird nest made of mud in tree, partially completed.

Bird nest made of mud in tree, partially completed.

Image: Mud Nest of Hornero in Tree
Mud Nest of Hornero in Tree
Mud Nest of Hornero in Tree
Mud Nest of Hornero in Tree

Bird nest made of mud in tree, partially completed.

Bird nest made of mud in tree, partially completed.

Image: Mud Nest of Hornero in Tree
Mud Nest of Hornero in Tree
Mud Nest of Hornero in Tree
Mud Nest of Hornero in Tree

Bird nest made of mud in tree, partially completed.

Bird nest made of mud in tree, partially completed.

Image: Southern Screamer in Pantanal
Southern Screamer in Pantanal
Southern Screamer in Pantanal
Southern Screamer in Pantanal

Southern screamer along marsh boardwalk at Fortín Patria, Pantanal. Paraguay is home to at least 589 breeding bird species and 120 migratory bird species. This region, situated in the extreme northeastern corner of western Paraguay and extending south along the Paraguay river forms a southern extension to the primarily Brazilian Pantanal.

Southern screamer along marsh boardwalk at Fortín Patria, Pantanal. Paraguay is home to at least 589 breeding bird species and 120 migratory bird species. This region, situated in the extreme northeastern corner of western Paraguay and extending south along the Paraguay river forms a southern extension to the primarily Brazilian Pantanal.

Image: Red-Crested Cardinal and Yellow-Billed Cardinal in Pantanal
Red-Crested Cardinal and Yellow-Billed Cardinal in Pantanal
Red-Crested Cardinal and Yellow-Billed Cardinal in Pantanal
Red-Crested Cardinal and Yellow-Billed Cardinal in Pantanal

Red-crested cardinal and Yellow-billed cardinal in marsh vegetation along boardwalk at Fortín Patria, Pantanal. Paraguay is home to at least 589 breeding bird species and 120 migratory bird species.

Red-crested cardinal and Yellow-billed cardinal in marsh vegetation along boardwalk at Fortín Patria, Pantanal. Paraguay is home to at least 589 breeding bird species and 120 migratory bird species.

Image: Monk Parakeet Nest on Utility Pole
Monk Parakeet Nest on Utility Pole
Monk Parakeet Nest on Utility Pole
Monk Parakeet Nest on Utility Pole

Small monk parakeet nest on utility pole. Paraguay is home to at least 589 breeding bird species and 120 migratory bird species. Breeding Status: Breeding permanent resident. Habitat: Palm Savannah, Second Growth Forests and Woodlands, Second Growth Scrub, Pasture. Estado de ocurrencia: Residente nidificante permanente.

Small monk parakeet nest on utility pole. Paraguay is home to at least 589 breeding bird species and 120 migratory bird species. Breeding Status: Breeding permanent resident. Habitat: Palm Savannah, Second Growth Forests and Woodlands, Second Growth Scrub, Pasture. Estado de ocurrencia: Residente nidificante permanente.

Image: Wetland in Asuncion Bay
Wetland in Asuncion Bay
Wetland in Asuncion Bay
Wetland in Asuncion Bay

Floating mat of water hyacynth. Near 25°15’49’’S, 57°37’47’’W. Pied-billed grebe in foreground.

Floating mat of water hyacynth. Near 25°15’49’’S, 57°37’47’’W. Pied-billed grebe in foreground.

Image: Bird Watching in Asuncion Wetland Amongst Trash
Bird Watching in Asuncion Wetland Amongst Trash
Bird Watching in Asuncion Wetland Amongst Trash
Bird Watching in Asuncion Wetland Amongst Trash

The wetlands of Asuncion Bay are littered with trash left by the last flood, but birding is good. Near 25°15’49’’S, 57°37’47’’W.

The wetlands of Asuncion Bay are littered with trash left by the last flood, but birding is good. Near 25°15’49’’S, 57°37’47’’W.

Image: Southern Crested Caracaras Flying Away in Pasture
Southern Crested Caracaras Flying Away in Pasture
Southern Crested Caracaras Flying Away in Pasture
Southern Crested Caracaras Flying Away in Pasture

Two Southern Crested Caracaras flying away from photographer. Cattle ranches in Paraguay are rich in viewable birds.

Two Southern Crested Caracaras flying away from photographer. Cattle ranches in Paraguay are rich in viewable birds.

Image: Mud Nest of Hornero
Mud Nest of Hornero
Mud Nest of Hornero
Mud Nest of Hornero

Completed mud nest. End of wet season. Paraguay is home to at least 589 breeding bird species and 120 migratory bird species. Breeding Status: Breeding Permanent Resident. Habitat: Pasture, Second-Growth Shrub and Urban Zones. Estado de ocurrencia: Residente nidificante permanente. Hábitat: Pastura implantada, Capuera, Zonas Urbanas.

Completed mud nest. End of wet season. Paraguay is home to at least 589 breeding bird species and 120 migratory bird species. Breeding Status: Breeding Permanent Resident. Habitat: Pasture, Second-Growth Shrub and Urban Zones. Estado de ocurrencia: Residente nidificante permanente. Hábitat: Pastura implantada, Capuera, Zonas Urbanas.

Image: Neotropical Cormorants and Caracara
Neotropical Cormorants and Caracara
Neotropical Cormorants and Caracara
Neotropical Cormorants and Caracara

Three cormorants and one caracara in palm along Rio Negro River in Pantanal (Caracara is bird on left, in shadows). End of wet season. Paraguay is home to at least 589 breeding bird species and 120 migratory bird species.

Three cormorants and one caracara in palm along Rio Negro River in Pantanal (Caracara is bird on left, in shadows). End of wet season. Paraguay is home to at least 589 breeding bird species and 120 migratory bird species.

Image: Neotropical Cormorants in a Copernicius
Neotropical Cormorants in a Copernicius
Neotropical Cormorants in a Copernicius
Neotropical Cormorants in a Copernicius

Cormorants in palm (Copernicia alba) along Rio Negro River in Pantanal. End of wet season. Paraguay is home to at least 589 breeding bird species and 120 migratory bird species. This region, situated in the extreme northeastern corner of western Paraguay and extending south along the Paraguay river forms a southern extension to the primarily Brazilian Pantanal.

Cormorants in palm (Copernicia alba) along Rio Negro River in Pantanal. End of wet season. Paraguay is home to at least 589 breeding bird species and 120 migratory bird species. This region, situated in the extreme northeastern corner of western Paraguay and extending south along the Paraguay river forms a southern extension to the primarily Brazilian Pantanal.

Image: Red-Crested Cardinal and Yellow-Billed Cardinal in Pantanal
Red-Crested Cardinal and Yellow-Billed Cardinal in Pantanal
Red-Crested Cardinal and Yellow-Billed Cardinal in Pantanal
Red-Crested Cardinal and Yellow-Billed Cardinal in Pantanal

Red-crested cardinal and Yellow-billed cardinal in marsh vegetation along boardwalk at Fortín Patria, Pantanal. Paraguay is home to at least 589 breeding bird species and 120 migratory bird species.

Red-crested cardinal and Yellow-billed cardinal in marsh vegetation along boardwalk at Fortín Patria, Pantanal. Paraguay is home to at least 589 breeding bird species and 120 migratory bird species.

Image: Jaguar Track in Pantanal
Jaguar Track in Pantanal
Jaguar Track in Pantanal
Jaguar Track in Pantanal

Imprint of jaguar paws in drying mud at the edge of landing strip. Near 19°55’S, 58°35’W.

Imprint of jaguar paws in drying mud at the edge of landing strip. Near 19°55’S, 58°35’W.

Image: Paraguay River
Paraguay River
Paraguay River
Paraguay River

Paraguay is located at the confluence of a number of globally important ecoregions, namely the upper Paraná Atlantic Forest, the Cerrado, the Argentine Mesopotamian Grasslands, the Chaco (Humid and Dry) and the Pantanal.

Paraguay is located at the confluence of a number of globally important ecoregions, namely the upper Paraná Atlantic Forest, the Cerrado, the Argentine Mesopotamian Grasslands, the Chaco (Humid and Dry) and the Pantanal.

Image: Wetland in Asunción Bay
Wetland in Asunción Bay
Wetland in Asunción Bay
Wetland in Asunción Bay

Floating mat of water hyacynth. Near 25°15’49’’S, 57°37’47’’W. Pied-billed grebe in foreground.

Floating mat of water hyacynth. Near 25°15’49’’S, 57°37’47’’W. Pied-billed grebe in foreground.

Image: Rowboat and Water Hyacynth on Paraguay River
Rowboat and Water Hyacynth on Paraguay River
Rowboat and Water Hyacynth on Paraguay River
Rowboat and Water Hyacynth on Paraguay River

Man crossing Paraguay River in a rowboat. Raft of water hyacynth floating behind him.

Man crossing Paraguay River in a rowboat. Raft of water hyacynth floating behind him.

Image: Old River Beds Along Paraguay River
Old River Beds Along Paraguay River
Old River Beds Along Paraguay River
Old River Beds Along Paraguay River

Paraguay is located at the confluence of a number of globally important ecoregions, namely the upper Paraná Atlantic Forest, the Cerrado, the Argentine Mesopotamian Grasslands, the Chaco (Humid and Dry) and the Pantanal.

Paraguay is located at the confluence of a number of globally important ecoregions, namely the upper Paraná Atlantic Forest, the Cerrado, the Argentine Mesopotamian Grasslands, the Chaco (Humid and Dry) and the Pantanal.

Image: Old River Beds Along Paraguay River
Old River Beds Along Paraguay River
Old River Beds Along Paraguay River
Old River Beds Along Paraguay River

Paraguay is located at the confluence of a number of globally important ecoregions, namely the upper Paraná Atlantic Forest, the Cerrado, the Argentine Mesopotamian Grasslands, the Chaco (Humid and Dry) and the Pantanal.

Paraguay is located at the confluence of a number of globally important ecoregions, namely the upper Paraná Atlantic Forest, the Cerrado, the Argentine Mesopotamian Grasslands, the Chaco (Humid and Dry) and the Pantanal.

Image: Paraguay River
Paraguay River
Paraguay River
Paraguay River

Paraguay is located at the confluence of a number of globally important ecoregions, namely the upper Paraná Atlantic Forest, the Cerrado, the Argentine Mesopotamian Grasslands, the Chaco (Humid and Dry) and the Pantanal.

Paraguay is located at the confluence of a number of globally important ecoregions, namely the upper Paraná Atlantic Forest, the Cerrado, the Argentine Mesopotamian Grasslands, the Chaco (Humid and Dry) and the Pantanal.

Image: Southern Crested Caracaras Flying Away in Pasture
Southern Crested Caracaras Flying Away in Pasture
Southern Crested Caracaras Flying Away in Pasture
Southern Crested Caracaras Flying Away in Pasture

Two Southern Crested Caracaras flying away from photographer. Cattle ranches in Paraguay are rich in viewable birds.

Two Southern Crested Caracaras flying away from photographer. Cattle ranches in Paraguay are rich in viewable birds.