# Zannen na Ikimono Jiten
*Also known as: ざんねんないきもの事典*

## Facts
- Format: ONA
- Status: concluded
- Year: 2018
- Season: SUMMER

## Renewal Score
**Zannen na Ikimono Jiten** has a **26% renewal probability** on Courcast (confidence: 62%) as of 2026-06-03.

## Synopsis
The book series offers humourous introductions to surprising aspects of living creatures, such as "raccoons don't really wash their food," and "dolphins would drown if they fall completely asleep."
(Source: Anime News Network)

## About Courcast
Courcast forecasts anime renewal probability using daily signals from streaming platforms, fan communities, and industry sources. Each CourScore (0–100) reflects fandom momentum, streaming performance, source material runway, and franchise history.

- Full details: https://courcast.com/title/zannen-na-ikimono-jiten-summer-2018
- API: https://courcast.com/api/public/titles/zannen-na-ikimono-jiten-summer-2018
- About Courcast: https://courcast.com/about

*Last updated: 2026-06-03*