Black-mandibled Toucan vs Common Buckeye

Ramphastos ambiguus compared with Junonia coenia

Key Differences

• Black-mandibled Toucan is Vulnerable while Common Buckeye is Least Concern.

Taxonomic Classification

Rank	Black-mandibled Toucan	Common Buckeye
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Piciformes (Piciformes)	Lepidoptera (Butterflies & Moths)
Family	Ramphastidae	Nymphalidae (Brush-footed Butterflies)
Genus	Ramphastos	Junonia
Species	Ramphastos ambiguus	Junonia coenia

Evolutionary Relationship

Black-mandibled Toucan and Common Buckeye share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black-mandibled Toucan

VU — Vulnerable

Common Buckeye

LC — Least Concern

Physical Characteristics

Attribute	Black-mandibled Toucan	Common Buckeye
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-mandibled Toucan

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Common Buckeye

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Canada and United States.

Black-mandibled Toucan

Black-mandibled Toucan (Ramphastos ambiguus) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Common Buckeye

The common buckeye (<em>Junonia coenia</em>) is a strikingly patterned butterfly found across North America, with documented occurrences in Canada and the United States. This species typically inhabits all terrestrial and freshwater environments across its range, favoring open, sunny habitats such as meadows, fields, roadsides, and coastal areas with low vegetation. It is classified as Least Concern on the IUCN Red List, reflecting stable and widespread populations. As a member of the family Nymphalidae, the common buckeye is instantly recognizable by the large, colorful eyespots on both the fore- and hindwings, which serve as a defense mechanism against predators. Larvae often feed on a variety of host plants in the families Plantaginaceae and Acanthaceae. The common buckeye typically undertakes seasonal migrations, moving southward in autumn and returning north in spring. Adults often nectar on a wide variety of wildflowers throughout their active season. Biological traits of this species remain poorly documented in the scientific literature.