ALT A sampling of the diversity of bird iris colors. 1st row: Yellow-bellied Tanager, Red-throated Loon, Bank Cormorant, Green Heron, Spot-billed Toucanet, Crested Oropendola, Northern Gannet; 2nd row: Three-streaked Tchagra, Great Antshrike, Painted Buttonquail, Short-eared Owl, Green-billed Toucan, White Ibis, Wire-tailed Manakin; 3rd row: Red-tailed Hawk, Philippine Frogmouth, Eurasian Eagle-Owl, Sharp-shinned Hawk, Double-crested Cormorant, Brown Cuckoo-Dove, Acorn Woodpecker; 4th row: Greater Roadrunner, Crested Guan, Black-capped Donacobius, Dalmatian Pelican, Brandt’s Cormorant, Satin Bowerbird, King Vulture. Photos by Oscar Johnson, Bryan Calk, Peter Ryan, Gregory Ashmore, Caio Brito, Nathan Rupert, Colin Dixon, Ngulia Ringing Project, Diego Cueva, Ramit Singal, Mark Schultz, Shannon O’Shea, Marquette Mutchler, Mason Maron, Rich Lindie, westshorewalk22, Timothy Krieder, David C. Simon, Nathan Dubrow, Brian Dandridge, Sharif Uddin, Terence Alexander and Daniel Parent.