This essay by Charles Waterton is about birds of Amazon
Henry Seebohm's essay on birds in Siberia. Access to more of his books
Grant Allen's essay Prophetic Autumn can be read from his book Moorland Idylls
Encantadas by Herman Melville.
Interesting magazine collection.
Rachel Carson's work
Ernest Thompson Seton's essay The Wild Geese of Wyndygoul' from his book Wild Animal Ways
Richard Jeffries work
Already praised work of Edmund Selous
Find W H Hudson, Maurice Maeterlinck and others work
Teddy Roosevelts African game trails