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Ornithology (Zoology, Kindle eBooks): Amazon KDP category data

Amazon Kindle eBooks Best Sellers data for Ornithology (Zoology, Kindle eBooks), updated Nov 2, 2026: median price $11.99, median 90 reviews, average rating 4.6 and a KDPTop opportunity score of 23/100 (highly competitive).

23Opportunity / 100
$11.99Median price
90Median reviews
Price range (middle 50%)$7.99 – $16.99
Average rating4.6
New releases (90 days)11%
Books on the list100
StoreKindle eBooks

What stands out

  • Its median reviews are 33% of the parent category Zoology (271), one of the easier corners under it.
  • At $11.99 its median price beats 93% of Kindle eBooks categories, leaving more margin per copy.

Top 10 Ornithology best sellers

  1. Scientific American September 2026 book cover by Scientific American

    Scientific American September 2026

    by Scientific American

    • List rank#1
    • Price$6.99
    • Rating4.8
    • Reviews13

    View on Amazon · Full data on KDPTop

  2. Scientific American October 2026 book cover by Scientific American

    Scientific American October 2026

    by Scientific American

    • List rank#2
    • Price$6.99
    • Rating4.2
    • Reviews7

    View on Amazon · Full data on KDPTop

  3. Scientific American November 2026 book cover by Scientific American

    Scientific American November 2026

    by Scientific American

    • List rank#3
    • Price$6.99
    • Reviews-

    View on Amazon · Full data on KDPTop

  4. The Sun Is a Compass: A 4,000-Mile Journey into the Alaskan Wilds book cover by Caroline Van Hemert

    The Sun Is a Compass: A 4,000-Mile Journey into the Alaskan Wilds

    by Caroline Van Hemert

    • List rank#4
    • Price$11.99
    • Rating4.6
    • Reviews1,393

    View on Amazon · Full data on KDPTop

  5. The Story of Birds: A New History from Their Dinosaur Origins to the Present book cover by Steve Brusatte

    The Story of Birds: A New History from Their Dinosaur Origins to the Present

    by Steve Brusatte

    • List rank#5
    • Price$18.99
    • Rating4.8
    • Reviews392

    View on Amazon · Full data on KDPTop

  6. Mozart's Starling book cover by Lyanda Lynn Haupt

    Mozart's Starling

    by Lyanda Lynn Haupt

    • List rank#6
    • Price$3.99
    • Rating4.4
    • Reviews835

    View on Amazon · Full data on KDPTop

  7. Hawks In Flight book cover by Pete Dunne

    Hawks In Flight

    by Pete Dunne

    • List rank#7
    • Price$19.94
    • Rating4.8
    • Reviews233

    View on Amazon · Full data on KDPTop

  8. The Bird Way: A New Look at How Birds Talk, Work, Play, Parent, and Think book cover by Jennifer Ackerman

    The Bird Way: A New Look at How Birds Talk, Work, Play, Parent, and Think

    by Jennifer Ackerman

    • List rank#8
    • Price$5.99
    • Rating4.6
    • Reviews1,720

    View on Amazon · Full data on KDPTop

  9. What an Owl Knows: The New Science of the World's Most Enigmatic Birds book cover by Jennifer Ackerman

    What an Owl Knows: The New Science of the World's Most Enigmatic Birds

    by Jennifer Ackerman

    • List rank#9
    • Price$8.99
    • Rating4.7
    • Reviews991

    View on Amazon · Full data on KDPTop

  10. Scientific American May 2026 book cover by Scientific American

    Scientific American May 2026

    by Scientific American

    • List rank#10
    • Price$6.99
    • Rating4.0
    • Reviews1

    View on Amazon · Full data on KDPTop

Same niche in Books: Ornithology

FAQ

Is Ornithology a good niche for Amazon KDP?

Its KDPTop opportunity score is 23/100, which makes it highly competitive. The median best seller has 90 reviews and sells for $11.99.

How many reviews do you need to rank in Ornithology?

The median best seller has 90 reviews, and 54% of them have fewer than 100.

What do Ornithology best sellers cost?

The median price is $11.99; half of the best sellers are priced between $7.99 and $16.99.

Can new books break into Ornithology?

11% 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.