👉 The term "brontosauri" refers to a group of extinct birds that lived during the Late Cretaceous period, around 102-98 million years ago. These birds were part of the family Brontopidae and are known for their distinctive wingspan and ability to fly without wings. Brontosaurs were highly specialized flight animals, with large wingspans and a streamlined body shape that allowed them to soar through the air with ease. They had a unique respiratory