Passeriformes observed within the Karen Mogensen Reserve. A Chiroxiphia linearis (Pipridae), a species typical of Central American tropical dry forests reaching its southernmost range border in the area B Campylorhynchus capistratus nicoyae (Troglodytidae), a subspecies endemic to NW Costa Rica, which reaches its southernmost breeding areas in the surveyed zone C Catharus aurantiirostris (Turdidae), species characterized by a local isolated breeding population D Hylocichla mustelina (Turdidae), regular winter visitor in the Karen Mogensen Reserve, but never recorded before from the Nicoya Peninsula. Photographs by: M. Dal Zotto (A, B, D) and G. Romeo (C).

 
 
  Part of: Dal Zotto M, Romeo G, Mena Aguilar LA, Sonetti D, Pederzoli A (2017) The avian community of the Karen Mogensen Reserve, a wealth of biodiversity within the poorly investigated and threatened environments of northwestern Costa Rica. ZooKeys 722: 101-135. https://doi.org/10.3897/zookeys.722.14606