Family

Spheniscidae

7 species in 4 genera. Maximum lifespan ranges from 13.7 years (Adelie Penguin) to 42.2 years (Little penguin).

Species

with a complete mtDNA

Lifespan range

13.7–42.2 yr

Median GC

46.6%

Range 45.4–47.4%

Genera

Largest: Spheniscus (3)

The Spheniscidae tree

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Outer ring: Maximum lifespan, log scale

Each ring is one rank. Scroll or use + and − to zoom, drag to move; select a group to zoom into it, a species to open it.

4 genera, by species count

Whole-genome GC content against maximum lifespan. Hover or tap a point; select it again to open the species.

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Top 5 and the shortest-lived

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