KDP categories · Top KDP authors
Mammals (Zoology, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Mammals (Zoology, Kindle eBooks), updated Nov 2, 2026: median price $9.99, median 111 reviews, average rating 4.5 and a KDPTop opportunity score of 24/100 (highly competitive).
| Price range (middle 50%) | $4.99 – $12.99 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 8% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 41% of the parent category Zoology (271), one of the easier corners under it.
- Prices spread wide: the middle half runs from $4.99 to $12.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Mammals best sellers
-
Scientific American September 2026
- List rank#1
- Price$6.99
- Rating4.8
- Reviews13
-
Scientific American October 2026
- List rank#2
- Price$6.99
- Rating4.2
- Reviews7
-
Animals in Translation: Using the Mysteries of Autism to Decode Animal Behavior (Scribner Classics)
- List rank#3
- Price$1.99
- Rating4.6
- Reviews1,050
-
Scientific American November 2026
- List rank#4
- Price$6.99
- Reviews-
-
The Science & Secrets of Dogs: How Dogs Think, Feel, and Communicate — The Science of Dog Behavior Explained in Plain Language for Everyday Dog Owners (The Family Dog Series Book 1)
by Bruce Miller
- List rank#5
- Price$5.99
- Rating4.3
- Reviews111
-
Grizzly Confidential: An Astounding Journey into the Secret Life of North America’s Most Fearsome Predator
by Kevin Grange
- List rank#6
- Price$14.99
- Rating4.6
- Reviews268
-
Scientific American May 2026
- List rank#7
- Price$6.99
- Rating4.0
- Reviews1
-
The Social Lives of Dogs: The Grace of Canine Company
by Elizabeth Marshall Thomas
- List rank#8
- Price$10.92
- Rating4.1
- Reviews243
-
The Rise and Reign of the Mammals: A New History, from the Shadow of the Dinosaurs to Us – A Bestselling Book on the Natural History of Mammalian Evolution
- List rank#9
- Price$17.99
- Rating4.7
- Reviews2,265
-
Chaser: Unlocking the Genius of the Dog Who Knows a Thousand Words
by John W. Pilley
- List rank#10
- Price$10.21
- Rating4.7
- Reviews937
Same niche in Books: Mammals
FAQ
Is Mammals a good niche for Amazon KDP?
Its KDPTop opportunity score is 24/100, which makes it highly competitive. The median best seller has 111 reviews and sells for $9.99.
How many reviews do you need to rank in Mammals?
The median best seller has 111 reviews, and 47% of them have fewer than 100.
What do Mammals best sellers cost?
The median price is $9.99; half of the best sellers are priced between $4.99 and $12.99.
Can new books break into Mammals?
8% 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.