Glass frogs turn translucent by ‘hiding’ blood in their liver

By channelling nearly 90 per cent of their blood into their liver while sleeping, glass frogs more than double their transparency – without any apparent health consequences

Glass frogs turn translucent by ‘hiding’ blood in their liver
By channelling nearly 90 per cent of their blood into their liver while sleeping, glass frogs more than double their transparency – without any apparent health consequences