Bugüne dek bilinen en ağır memeli hayvan ağırlığı 190 ton civarında olan mavi balinaydı ama yeni bulunan 39 milyon yıllık bir fosil onu tahtından indirdi. Basilosaurid Ailesi'nden ağırlığı 340 tona varan soyu tükenmiş devasa antik balina Perucetus…

At around 190 tonnes, the mighty blue whale have been thought as the heaviest animal to ever exist – but this status may have finally changed. Colossal ancient whale Perucetus colossus from Basilosaurid Family's who ıt's weight up to 340 tonnes may…

A quadrupedal whale is described based on a skeleton from the middle Eocene of Peru. It combines terrestrial locomotion abilities and use of the tail for swimming. This is the first record of an amphibious whale for the whole Pacific Ocean