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Animal Qualities

Unusual solutions

Trust the odd fit.

Animals grouped here express a similar quality through their behavior in nature. Each species still has its own principle, lesson, meaning, and field-guide page.

2 species

Hoatzin (Opisthocomus hoazin) thumbnail image on AnimalDex

Hoatzin

Species principle: Odd Fit

Trust the odd fit.

A strange solution is not strange when it fits the life exactly.

Hoatzins eat large amounts of leaves and use foregut fermentation, unusual among birds, to digest plant material in swamp forest habitats.

Titicaca Water Frog (Telmatobius culeus) thumbnail image on AnimalDex

Titicaca Water Frog

Species principle: Folded-Skin Breathing

Breathe through the folds.

Unusual surfaces can solve what ordinary lungs cannot.

Titicaca Water Frogs have loose folded skin that increases surface area for cutaneous respiration in cold, oxygen-rich high-altitude lake water.

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