Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph.

A. The care and accuracy with which he described various characteristics of birds, their geographical distribution and behaviour, would have done credit to a full-time naturalist.
B. Emperor Jehangir always found time for his greatest hobby – the study of animals and plants.
C. These observations and descriptions are recorded in his memoirs, the Tuzuk-i-Jahangiri.
D. He was an avid bird watcher or an ornithologist as he would be called now, and a keen naturalist.