Derek Yalden

British zoologist | ornithologist

Source-basedFalling

Lived 1940–2013, aged 73United Kingdom

Summary

Updated 2026-07-21

Derek William Yalden was an eminent British zoologist and academic. He was an honorary header at the University of Manchester.

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By the numbers

The six component signals behind the Fame score, and their ranks across the leaderboards.

Fame

Falling

37.0

Composite of search demand, mentions, audience & graph footprint.

Score components

Historical7.7

Source confidence50.0

Completeness50.0

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