KDP categories · Top KDP authors
Ornithology (Zoology, Books): Amazon KDP category data
Amazon Books Best Sellers data for Ornithology (Zoology, Books), updated Nov 2, 2026: median price $16.99, median 214 reviews, average rating 4.7 and a KDPTop opportunity score of 32/100 (highly competitive).
| Price range (middle 50%) | $11.67 – $26.90 |
|---|---|
| Average rating | 4.7 |
| New releases (90 days) | 9% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 22% of the parent category Zoology (991), one of the easier corners under it.
- Prices spread wide: the middle half runs from $11.67 to $26.90, so budget editions and premium or boxed sets sell side by side.
Top 10 Ornithology best sellers
-
Ornithography: An Illustrated Guide to Bird Lore & Symbolism (Volume 2) (Hidden Languages)
by Jessica Roux
- List rank#1
- Price$10.46
- Rating4.8
- Reviews860
-
The Story of Birds: A New History from Their Dinosaur Origins to the Present ― A Bestselling Paleontologist's Sweeping Story of Birds
- List rank#2
- Price$24.88
- Rating4.8
- Reviews392
-
Scientific American September 2026
- List rank#3
- Price$6.99
- Rating4.8
- Reviews13
-
Scientific American October 2026
- List rank#4
- Price$6.99
- Rating4.2
- Reviews7
-
The Book of Birds: A Field Guide to Wonder and Loss
- List rank#5
- Price$32.62
- Rating4.7
- Reviews163
-
The Sibley Field Guide to Birds of Eastern North America: Second Edition (Sibley Guides)
- List rank#6
- Price$13.29
- Rating4.7
- Reviews3,745
-
What an Owl Knows: The New Science of the World's Most Enigmatic Birds
by Jennifer Ackerman
- List rank#7
- Price$9.25
- Rating4.7
- Reviews991
-
National Geographic Birder's Atlas of the World
by Noah Strycker
- List rank#8
- Price$52.25
- Rating4.8
- Reviews9
-
Bird Songs: 250 North American Birds in Song
by Les Beletsky
- List rank#9
- Price$24.05
- Rating4.7
- Reviews1,180
-
The Sibley Guide to Birds, 2nd Edition
- List rank#10
- Price$20.84
- Rating4.8
- Reviews2,872
Same niche in Kindle eBooks: Ornithology
FAQ
Is Ornithology a good niche for Amazon KDP?
Its KDPTop opportunity score is 32/100, which makes it highly competitive. The median best seller has 214 reviews and sells for $16.99.
How many reviews do you need to rank in Ornithology?
The median best seller has 214 reviews, and 32% of them have fewer than 100.
What do Ornithology best sellers cost?
The median price is $16.99; half of the best sellers are priced between $11.67 and $26.90.
Can new books break into Ornithology?
9% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.