A new study from the University of Bath shows that mammals with more developed brains have a smaller size difference between males and females. These discoveries can help understand evolutionary processes and complex social structures in different mammalian species.
Two lion brothers, Jacob and Tibu, swam the kilometer-long Kazinga Canal in Uganda, full of hippos and crocodiles, in search of lions at night. Their bold feat is documented in research conducted by Griffith and the University of Northern Arizona.