Strigiformes vs accipitripiformes
Strigiformes primarily include owls, while accipitriformes concern other diurnal large birds such as eagles, hawks and vultures. Birds within these two orders share many similar characteristics, such as the fact that they are mainly carnivorous. Also, most birds within these two classes have strong talons and bills, allowing them to efficiently catch and consume their prey. Good eyesight is also a shared trait between the two orders. In addition, most of these birds of prey have aerodynamic bodies adapted to flying swiftly. Many birds in these two orders also live solitary lives, and do not gather in flocks.
A large difference between the two orders is that most owls are nocturnal, while accipitriformes are mainly diurnal. Many owls also have a distinguishable facial disc, while many accipitriformes have more streamlined, spherical faces. In terms of vision, owls are unable to move their pupils, and rely on their extremely flexible neck to swivel around to see things. On the other hand, eagles, hawks and vultures are able to move their pupils freely, although their necks aren't as flexible. In addition, strigiformes are able to be almost completely silent while flying, providing an element of surprise during hunting. However, accipitriformes don't have this "silent flight" ability.
A large difference between the two orders is that most owls are nocturnal, while accipitriformes are mainly diurnal. Many owls also have a distinguishable facial disc, while many accipitriformes have more streamlined, spherical faces. In terms of vision, owls are unable to move their pupils, and rely on their extremely flexible neck to swivel around to see things. On the other hand, eagles, hawks and vultures are able to move their pupils freely, although their necks aren't as flexible. In addition, strigiformes are able to be almost completely silent while flying, providing an element of surprise during hunting. However, accipitriformes don't have this "silent flight" ability.