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Historia natural y repertorio acústico del Sancuinclas (Pezopetes capitalis), ave endémica de Costa Rica y el oeste de Panamá
NATURAL HISTORY AND ACOUSTIC REPERTOIRE OF THELARGE-FOOTED FINCH (PEZOPETES CAPITALIS), AN ENDEMIC, HIGHLAND BIRD OF COSTA RICA AND WESTERN PANAMA
(2014)
El Sancuinclas es una especie endémica y un habi- tante común del sotobosque de bosques montanos y páramo en las tierras altas de Costa Rica y el oeste de Panamá. A pesar de ser una especie común, existía poca información ...
Variation and possible function of egg sac coloration in spiders
(2013)
Coloration of the egg sacs of spiders varies widely to the human eye, both across and within taxonomic groups. These differences in coloration are expected with differences in the biology and ecology of different species. ...
Incidence of parasitoids and predators on eggs of seven species of Therididae (Araneae)
(2012)
Although many characteristics of the egg sacs of spiders likely evolved to reduce the effect of parasites and predators that attack their eggs, many parasite and predator insects have become specialized on spider eggs. ...
The mystery of how spiders extract food without masticating prey
(2006)
Standard accounts of how spiders obtain food without masticating their prey are probably largely wrong. Species in the families Uloboridae, Thomisidae, Araneidae and Theridiidae do not inject digestive fluid into the prey’s ...
Ultrastructure of Deinopis egg sac (Araneae: Deinopidae)
(2014)
Attacks by predators and parasitoids on spider eggs are common. To counteract their negative effect, spiders have evolved a series of behaviours and features related to their egg sacs. In the genus Deinopis (Deinopidae) ...
Otro más que atraviesa el mutualismo plata - hormiga
ANOTHER ONE BREAKING THROUGH AN ANT PLANT MUTUALISM
(2018)
Las interacciones mutualistas entre hormigas y plantas son comunes y el grado de especialización varía mucho entre ellas. Algunas especies de hormigas en el género Pseudomyrmex mantienen relaciones mutualistas obligatorias ...
Cues guiding uloborid construction behavior support orb web monophyly
(2015)
Behavior can provide useful traits for testing phylogenetic hypotheses, and some details of orb web construction behavior have been especially useful in characterizing higher-level groups in spiders. The cues used to guide ...
Courtship, egg sac construction, and maternal care in Kukulcania hibernalis, with information on the courtship of Misionella mendensis (Araneae, Filistatidae)
(2013)
Morphological and behavioural traits place Filistatidae basally within Araneomorphae, although some features, such as their continuing to moult after reaching adulthood, are reminiscent of mygalomorph spiders. This paper ...
Variación geográfica y posibles mecanismos de evolución cultural en Microcerculus philomela
(2013)
Investigué la variación del canto en una escala microgeográfica en Microcerculus philomela. Esta ave tiene un repertorio de canto único aunque de alta complejidad por tener una gran cantidad de notas de tono puro realizadas ...
Repertoire Size and Syllable Sharing in the Song of the Clay-Colored Thrush (Turdus grayi)
(2012)
Song repertoire size and extent of song sharing provide information about social interactions that occur in songbird species. We recorded the songs of eight male Clay-colored Thrushes (Turdus grayi) in San José, Costa Rica ...