Hesperornis

Pronunciation: /hɛˈspɛrɔrnɪs/

Definitions of hesperornis

noun a genus of flightless aquatic birds that lived during the Late Cretaceous period

Example Sentences

A1 Hesperornis was a type of prehistoric bird that lived during the Late Cretaceous period.

A2 Scientists believe that hesperornis was a diving bird that primarily ate fish.

B1 Hesperornis fossils have been found in North America, particularly in states like Kansas and South Dakota.

B2 The discovery of hesperornis fossils provided valuable insights into the evolution of flightless birds.

C1 Paleontologists have studied the skeletal structure of hesperornis to understand its locomotion and feeding habits.

C2 The extinction of hesperornis is believed to be linked to environmental changes during the Late Cretaceous period.

Examples of hesperornis in a Sentence

formal The hesperornis is an extinct aquatic bird that lived during the Late Cretaceous period.

informal Have you heard of the hesperornis? It was like a prehistoric penguin!

slang Dude, that hesperornis was one cool bird from back in the day.

figurative The hesperornis was a true pioneer of the ancient seas, navigating its way through unknown waters.

Grammatical Forms of hesperornis

• plural: hesperornises
• comparative: more hesperornis
• superlative: most hesperornis
• present tense: hesperornis
• future tense: will hesperornis
• perfect tense: has hesperornised
• continuous tense: is hesperornising
• singular: hesperornis
• positive degree: hesperornis
• infinitive: to hesperornis
• gerund: hesperornising
• participle: hesperornised

Origin and Evolution of hesperornis

First Known Use: 1872 year

Language of Origin: Greek

Story behind the word: The word 'hesperornis' is derived from Greek, where 'hesperos' means western and 'ornis' means bird. It was named as such because the fossils of this bird were found in western North America.

Evolution of the word: Originally used to describe a prehistoric flightless bird that lived during the Late Cretaceous period, the term 'hesperornis' has remained consistent in its usage and meaning in the field of paleontology.