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Scavengers Predator-Prey Relationships Early Animal Life Herbivory Predation Trophic Levels Parasitic Relationships Aquatic and Terrestrial Species Insectivory Species Distribution Mesopredators Predators Herbivores Ground Squirrels

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4mo ago

Yukon Squirrel Coprolites Yield 700,000‑Year Environmental DNA

The team reconstructed more than 18 mitochondrial genomes from permafrost‑sealed squirrel droppings, creating a new window on Ice Age ecosystems that also raises questions about sample ages and contamination.