The preserve was an oasis for flycatchers: Observed here were the following species:

Southern Beardless-Tyrannulet
Yellow-bellied Elania
White-crested Tyrannulet
Common Tody-Flycatcher
Vermilion Flycatcher
Masked Water-Tyrant
White-headed Marsh-Tyrant
Long-tailed Tyrant
Cattle Tyrant
Rufous Casiornis
Great Kiskadee
Boat-billed Flycatcher
Social Flycatcher
Tropical Kingbird

Other flycatchers seen on the trip were Cliff and the spectacular Streamer-tailed Tyrant