But that hasn’t prevented many gym rats from reaching their lifting ... goers said that while they can’t give up eggs completely, they’re eating fewer and supplementing in other ways.

Invading rats with bodies up to 20 centimetres long have begun eating eggs and chicks, and some experts fear that unless the rats are eradicated, they could tip the Humboldt penguin toward extinction.

the parasite migrates to the rodent’s lungs and lays eggs. After becoming first-stage larvae, A. cantonensis is excreted in the rat’s feces that snails and slugs subsequently eat. The parasite ...