John Shaw / Yellow-billed cardinal (Paroaria capitata). Pantanal, Brazil, September.

Luke Massey / Yellow billed cardinal (Paroaria capitata) drinks Pantanal, Brazil.

Melvin Grey / White-lined tanager (Tachyphonus rufus) adult female feeding on berries. Asa Wright, Trinidad

Melvin Grey / White-lined tanager (Tachyphonus rufus) adult male, Asa Wright, Trinidad

Melvin Grey / White-lined tanager (Tachyphonus rufus) adult female, Asa Wright, Trinidad

Melvin Grey / Crimson-collared tanager (Ramphocelus sanguinolentus) adult male. Sarapiqui Area, Costa Rica.

Luiz Claudio Marigo / Male Ruby-crowned Tanager (Tachyphonus coronatus) perched, Atlantic Rainforest,Serrinha do Alambari Environmental Protection Area, Resende, Rio de Janeiro, State, Southeastern Brazil.

Luiz Claudio Marigo / Male Ruby-crowned Tanager (Tachyphonus coronatus) perched, Atlantic Rainforest,Serrinha do Alambari Environmental Protection Area, Resende, Rio de Janeiro, State, Southeastern Brazil.

Luiz Claudio Marigo / Eared Dove (Zenaida auriculata) foraging with Yellow-billed cardinals (Paroaria capitata) and other birds, Pantanal, Mato Grosso, Brazil.

Robin Chittenden / White-lined tanager (Tachyphonus rufus) perched, Trinidad and Tobago.

Angelo Gandolfi / Ruby-crowned tanager (Tachyphonus coronatus), female. Santa Catarina, Brazil, September.

Angelo Gandolfi / Ruby-crowned tanager (Tachyphonus coronatus) male, Santa Catarina, Brazil, September.

Luiz Claudio Marigo / Yellow-billed Cardiinal (Paroaria capitata)Pantanal, Mato Grosso State, Western Brazil

Luiz Claudio Marigo / Yellow-billed Cardinal (Paroaria capitata) Pantanal, Mato Grosso State, Western Brazil.

Luiz Claudio Marigo / Yellow billed cardinal (Paroaria capitata) in tree, Pantanal, Brazil.

Angelo Gandolfi / Yellow-billed Cardinal (Paroaria capitata) group of three, Pantanal, Brazil

Glenn Bartley / White-lined Tanager (Tachyphonus rufus), Trinidad and Tobago

Glenn Bartley / White-lined Tanager (Tachyphonus rufus) female, Costa Rica

Robin Chittenden / White-lined Tanager (Tachyphonus rufus) Trinidad, Trinidad and Tobago, April

Nick Garbutt / Yellow-billed cardinal (Paroaria capitata) perched on branch, Brazil

Luiz Claudio Marigo / Ruby-crowned tanager (Tachyphonus coronatus) perched in Atlantic Rainforest, Serrinha do Alambari Environmental Protection Area, Rio de Janeiro State, Southeastern Brazil.

Stephen Dalton / White lined tanager (Tachyphonus rufus) perched, Tobago, West Indies, Caribbean

Murray Cooper / Flame-crested Tanager (Tachyphonus cristatus) male, Ecuador

Thomas Marent / White-lined Tanager (Tachyphonus rufus) sub-adult male, Las Tangaras Bird Reserve, Colombia

Thomas Marent / White-lined Tanager (Tachyphonus rufus) female, Guacharo Cave National Park, Colombia

Thomas Marent / White-lined Tanager (Tachyphonus rufus) male, Sao Paulo, Atlantic Forest, Brazil

Thomas Marent / White-lined Tanager (Tachyphonus rufus) female, Sao Paulo, Atlantic Forest, Brazil

Joel Sartore / Photo Ark / Fulvous-crested tanager (Tachyphonus surinamus) portrait, Walsrode Bird Park, Germany. Captive, occurs in South America.

Bret Charman / Blue-winged mountain tanager (Anisognathus somptuosus) perched on a lichen-covered branch in high-altitude forest, western Andes, Colombia.

Roland Seitre / Yellow-billed cardinal (Paroaria capitata) perched on branch, Honaunau, Big Island, Hawaii.

Bruce Thomson / Yellow-billed cardinal (Paroaria capitata) perching on branch, Pocone, Brazil.