explainer · HACKER NEWS RECOMMENDATION
How Wolves Change Rivers
Sustainable Human · 4 HN recommenders · 4 recommendation months
Recommended by 4 Hacker News commenters across 4 months (2014–2022).
SignalTube analysis
Among 15 other explainer videos tagged Animals & nature, the mean is 2.7 distinct HN recommenders. This video has 4 distinct HN recommenders, about 1.5× that mean. Recommendations span 4 distinct months; the peer average is 2.3 months. This is a data-derived comparison, not a human review or quality rating.
24% of its 17 labeled comments are marked as recommendations or strong recommendations. HN mention years are 2014–2022; those years describe discussion history, not upload date. Its verified runtime is 4 minutes 34 seconds. YouTube lists its publication date as 2014-02-13.
- Channel / speaker
- Sustainable Human
- Verified runtime
- 4m 34s
- YouTube upload date
- 2014-02-13
- Hacker News mention years
- 2014–2022
SAME TOPIC AND FORMAT
Compare with related videos
The comparison cohort uses other explainer videos in Animals & nature. “Shared recommenders” counts HN users who recommended both videos in the source graph.
| Video | HN recommenders | Recommendation months | Positive label share | Shared recommenders | Runtime | Upload date |
|---|---|---|---|---|---|---|
| How Wolves Change RiversCurrent video | 4 | 4 | 24% | — | 4m 34s | 2014-02-13 |
| Worst Nuclear Accidents in Historyexplainer · Kurzgesagt – In a Nutshell | 7 | 4 | 58% | No recorded overlap | 9m 13s | 2021-02-02 |
| How wildlife trade is linked to coronavirusexplainer · Vox | 5 | 3 | 67% | No recorded overlap | 8m 49s | 2020-03-06 |
| How Trees Bend the Laws of Physicsexplainer · Veritasium | 4 | 4 | 80% | No recorded overlap | 7m 23s | 2012-10-30 |
THREE SOURCE-BASED CONTEXT POINTS
Why Hacker News recommends it
Each note combines the dataset’s stance label and short rationale; comment bodies are not reproduced. Open the HN source for the original discussion.
The archive classifies this as a contextual reference in “Quit Your Job”. Its short rationale: Explains wolves' reintroduction changing prey behavior and regenerating vegetation.
The archive classifies this as a contextual reference in “Young, Dumb, and Broke: Why Outdoorsy Types Suck at Money”. Its short rationale: Creatures have specific ecological roles maintaining balance.
The archive classifies this as a contextual reference in “Moths have 'secret role' as crucial pollinators”. Its short rationale: Wolves in Yellowstone as the well-known keystone species example.