The Rufous Mourner, Rhytipterna holerythra, is a small passerine

Passerine

A passerine is a bird of the order Passeriformes, which includes more than half of all bird species. Sometimes known as perching birds or, less accurately, as songbirds, the passerines form one of the most diverse terrestrial vertebrate orders: with over 5,000 identified species, it has roughly...

 bird

Bird

Birds are feathered, winged, bipedal, endothermic , egg-laying, vertebrate animals. Around 10,000 living species and 188 families makes them the most speciose class of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from...

 in the tyrant flycatcher

Tyrant flycatcher

The tyrant flycatchers are a family of passerine birds which occur throughout North and South America. They are considered the largest family of birds on Earth, with more than 400 species. They are the most diverse avian family in every country in the Americas, except for the United States and...

 family. It breeds from southwestern Mexico

Mexico

The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

 to northwestern Ecuador

Ecuador

Ecuador , officially the Republic of Ecuador is a representative democratic republic in South America, bordered by Colombia on the north, Peru on the east and south, and by the Pacific Ocean to the west. It is one of only two countries in South America, along with Chile, that do not have a border...

. It was formerly believed to be a cotinga

Cotinga

The cotingas are a large family of passerine bird species found in Central America and tropical South America. Cotingas are birds of forests or forest edges, which mostly eat fruit or insects and fruit. Comparatively little is known about this diverse group, although all have broad bills with...

, but well-supported anatomical evidence has shown it to be related to tyrant flycatcher

Tyrant flycatcher

The tyrant flycatchers are a family of passerine birds which occur throughout North and South America. They are considered the largest family of birds on Earth, with more than 400 species. They are the most diverse avian family in every country in the Americas, except for the United States and...

s of the genera

Genera

Genera is a commercial operating system and development environment for Lisp machines developed by Symbolics. It is essentially a fork of an earlier operating system originating on the MIT AI Lab's Lisp machines which Symbolics had used in common with LMI and Texas Instruments...

 Myiarchus

Myiarchus

Myiarchus is a genus of tyrant flycatchers. They are all fairly similar looking and areas where they overlap in range can making identification to species difficult at best....

, Sirystes

Sirystes

The Sirystes is a species of bird in the Tyrannidae family. It is sometimes split into the Eastern Syristes S. sibilator and the Western Syristes S. albogriseus.-Distribution and habitat:...

and Casiornis

Casiornis

Casiornis is a genus of bird in the Tyrannidae family.It contains the following species:* Rufous Casiornis, Casiornis rufus* Ash-throated Casiornis, Casiornis fuscus...

.

The Rufous Mourner is 20 cm. long and weighs 40 g. Its plumage is entirely rufous, brighter on the underparts, and with darker brown wings. The base of the bill is pink or horn-coloured. The call is a drawling way teeer and the song is wee hi hi weeur-weeur-weeur.

This bird is found in lowlands and foothills up to 1200 m altitude in wet forests, adjacent old second growth, semi-open areas and shady plantations. The Rufous Mourner is seen alone, in family groups or as part of a mixed-species feeding flock

Mixed-species feeding flock

A mixed-species feeding flock, also termed a mixed-species foraging flock, mixed hunting party or informally bird wave, is a flock of usually insectivorous birds of different species, that join each other and move together while foraging...

. It perches on a twig from which it sallies forth to catch large insect

Insect

Insects are a class of living creatures within the arthropods that have a chitinous exoskeleton, a three-part body , three pairs of jointed legs, compound eyes, and two antennae...

s and caterpillar

Caterpillar

Caterpillars are the larval form of members of the order Lepidoptera . They are mostly herbivorous in food habit, although some species are insectivorous. Caterpillars are voracious feeders and many of them are considered to be pests in agriculture...

s and many seeds and fruit. Usually, the food is taken in flight.

It nests in tree cavities, especially old woodpecker

Woodpecker

Woodpeckers are near passerine birds of the order Piciformes. They are one subfamily in the family Picidae, which also includes the piculets and wrynecks. They are found worldwide and include about 180 species....

holes. It may also nest in holes in earth banks.