Christmas Bird Counts in Guatemala im journal Der Falke

Eisermann, K. (2013) Vocal field marks of Unspotted Saw-whet Owl and Guatemalan Pygmy-Owl. Neotropical Birding 13: 8-13.
Howell, S. N. G. & K. Eisermann (2011) Guatemalan Pygmy-Owl Glaucidium cobanense is a good species. Neotropical Birding 9: 74-76.
Eisermann, K. (2011) Azure-rumped Tanager Tangara cabanisi: from ornithological enigma to conservation flagship. Neotropical Birding 9: 44-50.
Eisermann, K. (2011) Citizen science in the ornithology of a developing country: Christmas Bird Counts in Guatemala. Birding 43: 38-47.
Eisermann, K. & C. Avendaño (2009) Important Bird Areas of the Neotropics: Guatemala. Neotropical Birding 5: 4-11.
Eisermann, K. (2007) Vogelreichtum in Guatemala: endemische Arten, IBAs und nachhaltige Bewirtschaftung. Falke 54: 385-391.
Eisermann, K. (2007) Important Bird Areas in Guatemala. Winging It 19, no.5: 11.