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Guatemalan Tyrannulet Zimmerius vilissimus

  • Order: Passeriformes
  • Family: Tyrannidae
  • Monotypic
  • Authors: Andrew W. Jones
Sections

Breeding

There is very little information on the breeding biology of Guatemalan Tyrannulet, but presumably it is similar to that of Mistletoe Tyrannulet (Zimmerius parvus), as documented by Skutch (1960). Dickey and van Rossem (1938) report breeding in El Salvador in April.

Howell and Webb (1995) described the nest as "a globular mass of rootlets, mosses, etc., with [a] side entrance, set in a mossy tangle, epiphyte, etc., at mid- to upper levels", and the clutch as two eggs that are whitish, speckled with rusty, but is not clear is this description is restricted to vilissimus, or if it is based in part on the nests and eggs of Mistletoe Tyrannulet.

Recommended Citation

Jones, A. W. (2018). Guatemalan Tyrannulet (Zimmerius vilissimus), version 2.0. In Neotropical Birds Online (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/nb.paltyr2.02