Monteverde : Ecology and Conservation of a Tropical Cloud Forest

Figure 6.10. (top) House Wren feeding insects to young at nest. Photograph by Kathy Winnett-Murray.
Figure 6.11. (above) Frequency distribution of prey sizes caught by wrens in the field (Field) and prey sizes brought
to nestlings (Nest). Prey size classes are (1) <5mm, (2) 6-10 mm, (3) 11-20 mm, (4) 21-35 mm, and (5) 36-55 mm in
length. Sample sizes of prey were as follows: House Wrens (159 field, 586 nest), Plain Wrens (170 field, 35 nest),
Rufous-and-white Wrens (29 field, 29 nest), Gray-breasted Wood-Wrens (67 field, 47 nest).