Its natural habitat is subtropical or tropical moist lowland forests.
The Yellow-green Tyrannulet is classified as Least Concern. Does not qualify for a more at risk category. Widespread and abundant taxa are included in this category.
Yellow-green Tyrannulet (endemic), Great Jacamar, Blue Cotinga, Lance-tailed, Blue-crowned, Red-capped Manakins, Scarlet-rumped Cacique, Crested Oropendola, Bicolored, Spotted, Ocellated Antbirds, Rufous-vented Ground-cuckoo, Great Tinamou, Little Tinamou, Blue-headed Parrot, Brown-hooded Parrot, White-tailed , Slaty-tailed, Black-headed Trogons, Crimson-crested Woodpecker, Olivaceous Flatbill, Spot-crowned Barbet, Pygmy Antwren, White-headed Wren…. Cerro Azul, Cerro Jefe: Cloud forest, elfins forest, 1000m. More