Ravens and crows are among the largest species within the order of passerine birds. The two largest representatives of the genus are the Corvus crassirostris (known as thick-billed raven) and the Corvus corax (known as common raven), each of which can reach a body length of 60 to 70 cm (23.6 to 27.5 inches) and a body weight of up to 1.5 kg (3.3 lbs), making them the largest passerine birds of all. #CORVUSPHERE #CorvusCrassirostris #ThickBilledRaven #CorvusCorax #CommonRaven