Animal Behaviour 'or 'Ethology 'is recently introduced in the syllabus of UG & PG course, as a part of Zoology. American & German ornithologists of the late 19th & early 20th centuries, involving Osker Hein Roth (1871-1945), Charles O Whitman and Wallace Craig, laid the scientific foundations of ethology. Ethology is a study that is quickly expending. Numerous elements of animal communication, learning, culture, emotions and sexuality which the scientific community believed it, understood have been re-examined & new findings have emerged, including neuroethology. Sexual, social, shelter seeking, communicative, investigative, maternal, Allelomimetic, Eliminative, Feeding and Maladaptive are the top ten types of ethology studies. Every topic is explained in concise manner. Complex principals are developed clearly using classroom related pedagogy, often with carefully. At the end of the book a brief account, in the form of charts is also mentioned for quick learning to the students.