Falcons are birds of prey that have long pointed wings and an intended (concave) beak. Eagles are large birds of prey; they are known for their larger size.

Kites are birds of prey; they tend to be smaller in size and weight less. Eagles are large birds of prey.

Hawks are birds of prey that are usually smaller in size and have less weight. Falcons are birds of prey that have long pointed wings and an intended (concave) beak.

Hawks are birds of prey that are usually smaller in size and have less weight. Vultures are large birds of prey.

In philosophy of science, observation, theory and law, all play important roles. Observation is generally regarded as an act to sense the external real objects. Sense organs play a vital role in the...