Hub thread removal behaviour in the orb weaver Leucauge mariana (Araneae: Tetragnathidae)

Courtship, egg sac construction, and maternal care in Kukulcania hibernalis, with information on the courtship of Misionella mendensis (Araneae, Filistatidae)

Reproductive biology of Macleania rupestris (Ericaceae), a pollen-limited Neotropical cloud-forest species in Costa Rica

Nest Usurping Occurrence Of The Piratic Flycatcher (Legatus Leucophaius) In Southwestern Costa Rica

Natural history, courtship, feeding behaviour and parasites of Theridion evexum (Araneae: Theridiidae)

Relationship between species richness of excavator birds and cavity–adopters in seven tropical forests in costa rica

When a little is enough: cocoon web of Kapogea cyrtophoroides (Araneae: Araneidae) induced by Hymenoepimecis heidyae (Ichneumonidae: Pimplinae)

Alimentacion de pichones, exito reproductivo y notas sobre cuido parental en yiguirros (Turdus grayi): el rol de las hembras y machos

Conceptual and statistical problems with the use of the Shannon-Weiner entropy index in bioacoustic analyses

Courtship behavior and copulation in Tengella radiata (Araneae, Tengellidae)

The evolution of prey‐wrapping behaviour in spiders

Construction and function of the web of Tidarren sisyphoides (Araneae: Theridiidae)

Feeding by Philoponella vicina (Araneae, Uloboridae) and how uloborid spiders lost their venom glands

Historia natural y repertorio acústico del Sancuinclas (Pezopetes capitalis), ave endémica de Costa Rica y el oeste de Panamá

Nest daily survival rate of six Costa Rican urban birds

Variabilidad genética de la avifauna de las tierras altas de Costa Rica: Consecuencias del calentamiento global.

Detritus camouflage in webs of Helvibis longicauda (Araneae: Theridiidae)

Characteristics of the capture threads of Synotaxus sp. (probably S. turbinatus) webs (Araneae, Synotaxidae)

House Wrens Troglodytes aedon reduce repertoire size and change song element frequencies in response to anthropogenic noise

Abundancia y fluctuaciones de aves limícolas (Charadriiformes) en una playa fangosa de Chomes, Costa Rica