KDP categories · Top KDP authors
Mammals (Zoology, Books): Amazon KDP category data
Amazon Books Best Sellers data for Mammals (Zoology, Books), updated Nov 2, 2026: median price $17, median 99 reviews, average rating 4.6 and a KDPTop opportunity score of 30/100 (highly competitive).
| Price range (middle 50%) | $11.88 – $22.55 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 10% of the parent category Zoology (991), one of the easier corners under it.
- Only 4% of its best sellers are under 90 days old, fewer than in 82% of Books categories: established titles hold the list.
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
-
The Rise and Reign of the Mammals: A New History, from the Shadow of the Dinosaurs to Us ― A National Bestselling Science Book on Prehistoric Beasts
- List rank#4
- Price$11.78
- Rating4.7
- Reviews2,265
-
Night of the Grizzlies
by Jack Olsen
- List rank#5
- Price$17.16
- Rating4.4
- Reviews2,137
-
Animals Make Us Human: Creating the Best Life for Animals – A NYT Bestseller on the Emotional Needs of Dogs, Cats, Horses, and Zoo Creatures
- List rank#6
- Price$10.60
- Rating4.6
- Reviews1,075
-
Dogs That Know When Their Owners Are Coming Home (Fully Updated and Revised)
by Rupert Sheldrake
- List rank#7
- Price$18.29
- Rating4.4
- Reviews485
-
Scientific American November 2026
- List rank#8
- Price$6.99
- Reviews-
-
Sasquatch: Legend Meets Science
by Jeff Meldrum
- List rank#9
- Price$18.22
- Rating4.7
- Reviews1,056
-
In The Shadow Of Man: A groundbreaking chronicle of life among Gombe's wild chimpanzees―tool use, family bonds, and the origins of human behavior revealed.
by Jane Goodall
- List rank#10
- Price$10.48
- Rating4.8
- Reviews1,047
Same niche in Kindle eBooks: Mammals
FAQ
Is Mammals a good niche for Amazon KDP?
Its KDPTop opportunity score is 30/100, which makes it highly competitive. The median best seller has 99 reviews and sells for $17.
How many reviews do you need to rank in Mammals?
The median best seller has 99 reviews, and 51% of them have fewer than 100.
What do Mammals best sellers cost?
The median price is $17; half of the best sellers are priced between $11.88 and $22.55.
Can new books break into Mammals?
4% 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.