🌍 World Animal Map

Common loon vs Bald eagle

Size and range side by side, using only figures recorded in Wikidata.

Common loon
Common loon. Photo: John Picken from Chicago, USA, CC BY 2.0, via Wikimedia Commons
Bald eagle
Bald eagle. Photo: Andy Morffew from Itchen Abbas, Hampshire, UK, CC BY 2.0, via Wikimedia Commons
Common loonBald eagle
Scientific nameGavia immerHaliaeetus leucocephalus
Mass5.46 kg (male adult)
4.5 kg (female adult)
Wikidata
4.13 kg (male adult)
5.35 kg (female adult)
Wikidata
Lives inEurope, North AmericaNorth America
StatusLeast concernLeast concern

Quick answers

Which is bigger, the Common loon or the Bald eagle?
Their recorded weights overlap, so neither is clearly heavier.
Where do they live?
Common loon: Europe, North America. Bald eagle: North America (continents with GBIF records).

About them

Common loon

The common loon or great northern diver (Gavia immer) is a large member of the loon, or diver, family of birds.

Bald eagle

The bald eagle (Haliaeetus leucocephalus) is a bird of prey found in North America.

Mass: Wikidata (CC0) statements without qualifiers or qualified male/female/adult (birth weights left out). Descriptions: first sentence of the English Wikipedia articles (CC BY-SA 4.0), linked from each animal page.