Brown Tinamou vs Undulated Tinamou

In short

The Brown Tinamou and Undulated Tinamou are both elusive ground birds of the forest, but they can be distinguished by their vocalizations and subtle plumage differences. The Brown Tinamou has a plain reddish-brown underpart and a chocolate brown upperpart, while the Undulated Tinamou lacks strong color patterns and is known for its distinctive three-note song.

Identification tips

1. Listen for vocalizations: the Brown Tinamou's whistle vs. the Undulated Tinamou's three-note song. 2. Observe plumage: Brown Tinamou has reddish-brown underparts and chocolate brown upperparts, while the Undulated Tinamou lacks strong color patterns. 3. Note habitat: both are forest dwellers, but the Undulated Tinamou is more commonly encountered.

Size

Both species are similar in size, typical of the Crypturellus genus.

Plumage

The Brown Tinamou is characterized by its plain reddish-brown underparts and chocolate brown upperparts, with a plain gray head. In contrast, the Undulated Tinamou lacks strong color patterns, making it appear more uniformly colored.

Behaviour

Both species are reclusive and ground-foraging, with the Undulated Tinamou being more common and often seen foraging for small fruits, seeds, and insects.

Habitat

Both species inhabit forested areas, but the Undulated Tinamou is more widespread and common throughout its range.

Voice

The Brown Tinamou is known for its loud, ringing 'soccer referee whistle' song, while the Undulated Tinamou has a distinctive three-note song that is a common sound in Amazonia.