although frequently lowering its head during feeding

This replica represents Utahraptor ostrommaysi as a large North American dromaeosaurid with a robust build

was located at the end of this relatively short neck

It had a toothless beak adapted for an omnivorous diet

but for other functions such as defense

Hovasaurus boulei Embolotherium although frequently lowering its headHovasaurus boulei was an extinct diapsid reptile from the Late Permian and possibly part of the Early Triassic , known primarily from its fossil remains in Madagascar , especially in the Dzulfian Sakamena Formation (approximately 252247 million years old) , which spans the Permian Triassic boundary. It is one of the most specialized representatives of the tangasaurids , a primitive group of sauropsids that adapted to an aquatic lifestyle shortly after