Gobemouche à queue blanche vs Gobemouche bleu-ardoise

The White-tailed Flycatcher and the Slaty-blue Flycatcher can be distinguished primarily by their tail coloration and overall plumage tone. The White-tailed Flycatcher has a distinct white tail, whereas the Slaty-blue Flycatcher is characterized by its overall slaty-blue coloration.

Check the tail color: White-tailed Flycatcher has a white tail, while Slaty-blue Flycatcher is slaty-blue overall. Observe overall plumage tone: Slaty-blue Flycatcher is uniformly slaty-blue, unlike the White-tailed Flycatcher.

The White-tailed Flycatcher features a prominent white tail, which is a key distinguishing feature. In contrast, the Slaty-blue Flycatcher has a uniform slaty-blue coloration throughout its plumage.