Tag Archives: Animals

Legler’s Stream Frog

While searching for Red-eyed leaf frogs, a couple of mentors, Bree and Simon, and I came across this specimen, which we immediately misidentified as an Agalychnis species. While it has distinctive red eyes, the pupils are horizontally elliptical, whereas Agalychnis has vertically elliptical pupils.

I keyed this individual to Ptychohyla legleri (formerly Hyla legleri) using these photographs and Savage’s text. It’s also on the list of frogs found at Las Cruces… but is evidently endangered! At the location these frogs were calling (there were several calling—at least four, I’d say, from the spot we searched), there were tadpoles (also pictured), so hopefully there is a successfully breeding population here.

Red-tailed boa

Red-tailed boa - Boa constrictor - 07.08.2016 - 11.27.26 Red-tailed boa - Boa constrictor - 07.08.2016 - 11.26.48This Boa constrictor was released in Las Cruces after being captured in someone’s home near San Vito. It was extremely agitated, hissing loudly and fervently when approached. In fact, it remained hissing after moving out of sight nearly 50 m. It later hid in a drainage ditch, likely waiting until nightfall to move into a tree.

It’s release sparked a brief conversation at dinner about relocation of animals, including reptiles , which tend to (1) return to the place of capture if relocated nearby and (2) become so agitated in searching for their home range and there is low survival (http://www.jstor.org/stable/3892626).

Predation risk of roosting Ithomiin butterflies

Adrea, a recent PhD graduate from UCLA, is mentoring three students in the NAPIRE program with projects on Ithomiin butterflies—a diverse group of clear-winged, neotropical butterflies that form breeding aggregations and tend to roost together.  One of Adrea’s students, Katie, is investigating predation risk of roosting butterflies using models of two species that she’s constructed. Here, Katie checks her model butterflies for damage inflicted by predation attempts on the models.

Vesper rats

A juvenile vesper rat Nyctomys sumichrasti. We have trapped two of these mice in the house we’re staying in, although the one below was trapped in 2013. They seem to like bananas… and Cristian, another research mentor, doesn’t particularly like the mice…
Nyctomys sumichrasti - Vesper mouse - Cricitidae - 07.25.2013 - 07.27.37