Spotted Antbird
In southern Central America as well
as Columbia and Ecuador...known
to follow army ant swarms.
Hylophylax naevioides
(L 4.3" Wt 0.56-0.69 oz)
Altos Del Maria 
El Valle - Panama
flash photo
Hylophylax in Greek means
watcher or guardian;
naevoides means spotted.
When you have seen one ant, one bird,
one tree, you have not seen them all.
(Edward O. Wilson)