In the winter months of eastern Brazil, temporary streams offer a home for a new species of frog. Mângia, et al (2025) ...

are considered one of the most poisonous amphibian species in the world, police said. Officials say the 37-year-old suspect was trying to smuggle the frogs on a flight bound for Sao Paulo, Brazil.

and Greening's frog (Corythomantis greeningi). Both are found in Brazil and produce skin secretions like other poisonous frogs - but these species have spiny bone protrusions that make their poison ...

Poison dart frogs contain enough poison to kill 10 adult ... the green-headed tanager hails from the forests of Brazil. The birds typically stick together in small groups of 10 to 20.