Hudson's Black-Tyrant vs Spectacled Tyrant

In short

Hudson's Black-Tyrant and Spectacled Tyrant can be distinguished by their flight displays and wing patterns. The Spectacled Tyrant male shows striking white wings in flight, while Hudson's Black-Tyrant is more uniform in color. Both species are migratory, but their habitats and behaviors differ.

Identification tips

• Look for white wings in flight for Spectacled Tyrant males.
• Observe aerial displays and listen for wing snaps in Spectacled Tyrants.
• Note habitat: Hudson's Black-Tyrant in shrubby areas, Spectacled Tyrant in open areas.
• Consider migration patterns: Spectacled Tyrants cross the Andes, while Hudson's Black-Tyrants migrate north.

Size

Both species are similar in size, typical of small tyrant flycatchers.

Plumage

The male Spectacled Tyrant is black with conspicuous white wings visible in flight, while Hudson's Black-Tyrant is more uniformly dark without such contrasting wing patterns. Female Spectacled Tyrants are brownish with rusty wings and streaks, whereas female Hudson's Black-Tyrants are less well-documented but generally darker.

Behaviour

Spectacled Tyrants perform noticeable aerial displays with wing snaps, while Hudson's Black-Tyrant is less conspicuous and more secretive.

Habitat

Hudson's Black-Tyrant breeds in Monte and Espinal habitats of Argentina and migrates to Bolivia and W Paraguay. Spectacled Tyrants are found in Chile and southern Argentina, migrating across the Andes.