摘要：We provide descriptions ofthe nest and egg of Rufous-tailed Tyrant (Knipolegus poecilurus),based on nestsfound in northeastern Ecuadorand the Central Andes of Colombia.Both nestswere situated in isolated clumpsof grass near the edgeof active cattle pastures.Nests wereopen cupsbuilt of sticks,with an internal lining of thin flexible materials.The eggs werecream-colored with sparse red-brown markings. The nest in Ecuador was later destroyed by grazing cattle
