The secretary bird is the only bird of prey who does more walking than flying, up to 20 miles a day. With very large, broad wings, secretary birds are also strong fliers and use thermal air currents to rise and soar. When hunting, they stamp on the ground
Crows are members of a widely distributed genus of birds, Corvus, in the family Corvidae. Ranging in size from the relatively small pigeon-size jackdaws to the Common Raven of the Holarctic region and Thick-billed Raven of the highlands of Ethiopia.