grey sea eagle vs Haliatus albicilla

grey sea eagle and Haliatus albicilla both are nouns.

Word	Noun	Adjective	Verb	Adverb
grey sea eagle	Yes	No	No	No
Haliatus albicilla	Yes	No	No	No

As nouns, grey sea eagle and Haliatus albicilla are synonyms defined as:

grey sea eagle and Haliatus albicilla: bulky greyish-brown eagle with a short wedge-shaped white tail; of Europe and Greenland

Other synonyms of grey sea eagle include ern, erne, European sea eagle, gray sea eagle, white-tailed sea eagle.

grey sea eagle (noun)	Haliatus albicilla (noun)
bulky greyish-brown eagle with a short wedge-shaped white tail; of Europe and Greenland	bulky greyish-brown eagle with a short wedge-shaped white tail; of Europe and Greenland