Slender Pigeon Louse vs Elephant Louse

Side-by-side species comparison

Attribute Slender Pigeon Louse Elephant Louse
Scientific Name Columbicola columbae Haematomyzus elephantis
Order Phthiraptera Phthiraptera
Family Philopteridae Haematomyzidae
Size 2-3 mm 2-3 mm
Habitat Farmland Grasslands
Diet Omnivores Blood Feeders
Regions Europe, Asia, Africa, North America, South America, Oceania Asia, Africa
Conservation Least Concern Vulnerable

Slender Pigeon Louse

A long slender louse found between the barbs of wing and tail feathers of pigeons and doves. It is one of the most studied louse-host systems in biology.

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Did You Know?

This louse has become a model organism for studying coevolution, as its evolutionary tree closely mirrors that of its pigeon host species.

Elephant Louse

A highly specialized louse found only on elephants, with piercing mouthparts adapted to penetrate the thick pachyderm skin. It is the sole member of its family.

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Did You Know?

The elephant louse is so specialized that it represents an entire family of its own, having co-evolved with elephants for millions of years.