Books like Ecology
Manuel Molles, Anna Sher
Ecology is 608 pages, about 11 hours 9 minutes at 250 words a minute.
8 books to read next
How long each takes
Ecology and Field Biology 13.9 h 
Elements of Ecology 10.9 h 
Practical Statistics for Field Biology 4.6 h 
Limnology 14.1 h 
A Brief History of Earth 5.0 h 
The Serengeti Rules 5.2 h 
The Ages of Gaia 4.7 h 
The Symbiotic Planet 2.7 h Bar height shows length. Estimated at 250 words a minute.