Slender Pigeon Louse vs New Caledonian Imperial Pigeon Louse

Side-by-side species comparison

Attribute Slender Pigeon Louse New Caledonian Imperial Pigeon Louse
Scientific Name Columbicola columbae Columbicola extinctus
Order Phthiraptera Phthiraptera
Family Philopteridae Philopteridae
Size 2-3 mm 1-3 mm
Habitat Farmland Underground
Diet Omnivores Parasites
Regions Europe, Asia, Africa, North America, South America, Oceania Oceania (New Caledonia)
Conservation Least Concern Extinct

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.

New Caledonian Imperial Pigeon Louse

A chewing louse that was endemic to the now-extinct New Caledonian lorikeet. This species represents the coextinction phenomenon where parasites disappear with their hosts. It highlights the hidden biodiversity loss that accompanies vertebrate extinctions.

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Did You Know?

For every bird or mammal that goes extinct, an average of two to three unique parasite species disappear with it, representing a massive hidden wave of coextinction.