Ornithology is the scientific study of birds, including their behavior, physiology, ecology, and classification / പക്ഷികളുടെ സ്വഭാവം, ശരീരശാസ്ത്രം, പരിസ്ഥിതിശാസ്ത്രം, വർഗ്ഗീകരണം etc.
The term "ornithology" is derived from the Greek words "ornis," meaning bird, and "logia," meaning study or science.