What toucans use there eye for?

Can ducks breed from the same litter? How did scientist prove pigeons can see the same colors we can? Canary islands flag colors? Is the condor an umbrella species? What do buggies sharpen their beaks on? Do Indian ringnecks like honey? Are parakeets aggressive? Do eagles keep birds away? What country does birds nest soup come from? What is the length of time after sex before laying egg in cockatiels? Is dry cat food okay to feed seagulls everyday? How do flamingos travel? What chronus and rhea are? What do fish owls hunt? Do eagles hirbenate? What do booby birds eat? Can ducks produce chlorophyll? What Energy released be used in mammals and birds only? In this sentence which one is predicate the cackling of geese saved Rome? What are some materials that I can place outside that birds can use in building their nests?