Phébi noir

En bref

• Scientific Name: Sayornis nigricans
• Spanish Name: Guardarríos negro
• Famille : Tyrannidae
• Known Nicknames: None
• Longueur moyenne : 15 à 18 cm / 5,9 à 7,1 pouces
• Average Weight: 15–22 g / 0.5–0.8 oz
• Wingspan: 27–28 cm / 10.5–11 in
• Key Feature: Sooty black plumage with a starkly contrasting white belly
• Régime alimentaire principal : Insectivore
• Range: Western North America (Oregon to California), through Central America to Northwest South America and Northern Argentina
• Habitat: Open or semi-open areas always near water, including streams, riverbanks, and lake margins
• Social Structure: Solitary or Paired
• Nesting/Breeding: Cup-shaped mud nests plastered to vertical surfaces such as cliffs, bridges, and eaves
• Statut de conservation : Préoccupation mineure (LC)
• Évolution démographique : En hausse

The Black Phoebe (*Sayornis nigricans*) is a dapper, medium-sized flycatcher easily identified by its "tuxedo" plumage, featuring a charcoal-black body and a crisp, contrasting white belly. Primarily found near water sources such as streams, ponds, and even backyard fountains, this hardy bird is most famous for its rhythmic tail-pumping behavior while perched on low branches. As an agile aerial hunter, it performs acrobatic "sallies" to snatch insects from mid-air before returning to the same spot to wait for its next meal. A unique architectural feature of the Black Phoebe is its nesting habit; unlike many songbirds, it constructs a sturdy, cup-shaped nest made of mud and grass, which it expertly plasters against vertical surfaces like canyon walls, bridges, or the eaves of houses.

Faits amusants

The Black Phoebe is famous for its constant tail-pumping, a rhythmic downward dip it performs every few seconds while perched. Unlike most of its flycatcher relatives, it is rarely found far from water and has the unusual habit of occasionally "fishing" for small minnows or dragonflies directly from the surface. It is a master mason, building its nest almost entirely out of mud pellets reinforced with grass, and it is one of the few songbirds that regularly coughs up indigestible pellets of insect exoskeletons, a trait more commonly associated with owls. Despite its formal "tuxedo" appearance, this bird is a fierce territorial defender that will even chase away much larger birds like hawks or crows.

Habitats et répartition

This flycatcher is almost always found near water, inhabiting areas surrounding streams, rivers, lakes, and coastal marshes. It thrives in both natural and suburban environments, such as parks and backyards, provided there is a permanent water source and open space for hunting insects. Because it requires mud to construct its cup-shaped nests, it is frequently observed nesting under bridges, on building eaves, or against shaded rock faces near moisture. Its geographical range extends from the western United States, primarily throughout California and the Southwest, southward through Mexico and Central America. The distribution continues along the Andes Mountains in South America, reaching as far south as northwestern Argentina. Most populations are non-migratory year-round residents, though individuals at the northernmost edges of the range may move short distances during severe winter weather.

Comportements & Reproduction

Primarily solitary and fiercely territorial, these birds are easily recognized by their rhythmic habit of pumping their tails downward while perched. During the breeding season, they form monogamous pairs, with males defending their domain through persistent vocalizations and chasing away intruders. Their social structure is defined by this seasonal bonding, though they remain largely independent hunters, staying close to water sources where they forage for insects. Reproduction is characterized by a unique nesting strategy involving the construction of cup-shaped nests made of mud and plant fibers. Unlike most other flycatchers, they adhere these structures to vertical surfaces such as cliff faces, bridges, or building eaves, often reusing the same site for multiple years. The female typically lays three to six eggs and may raise up to three broods in a single season. While the female handles the majority of incubation, both parents are highly active in feeding and protecting the nestlings until they fledge.

Alimentation

The Black Phoebe is primarily an insectivore, sustaining itself on a diverse menu of flying insects such as flies, beetles, wasps, bees, and moths. It employs a distinctive hunting technique known as sallying, where it sits on a low perch near water and darts out to snatch prey from the air or the surface of the ground before returning to its original spot. Interestingly, while its diet is overwhelmingly composed of invertebrates, this flycatcher is one of the few species in its family known to occasionally capture and consume small fish from shallow water. Furthermore, the Black Phoebe often regurgitates small pellets containing the indigestible chitinous remains of its insect prey, and it has a unique way of hydrating by skimming across the water’s surface to take a sip while in flight.

Couleurs

The Black Phoebe displays a striking "tuxedo" pattern, featuring a soot-black head, breast, and upperparts that contrast sharply with a crisp white belly and undertail coverts. Its dark plumage, complemented by a black bill and legs, allows it to blend effectively into the shadows of its preferred riparian habitats, while subtle gray edging on the wing feathers provides minimal texture to its otherwise uniform silhouette.