Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Greene, H.
1989
July 14 (continued)
fresh otter (Lutra longicaudus) seats on the traditional otter rock on the Rio Sarapiqui, near the end of the Sendero Atajo. Ardell spotted an otter in the broad area of riffles just down stream, and we watched it for x/10 minutes. Throughout that time the otter was always underwater - presumably hunting - or upright out of the water to shoulder lord and eating. Dives seem to last 5-15 seconds, and about that same time was spent eating. Sometimes a food item was held in a paw briefly, but most pre-swallowing involved lots of chewing w/ the mouth visibly open. All prey appeared to be crustaceans, and once an item flipped or slipped out and through the air into the water. I was struck by how easily visible the otter was; it always faced into the late afternoon sun, to my back, and appeared very light colored around the chest and chin.
After dinner, Dane and Billie went out the CES to 700m but saw only a probable Barycynon gabbi. Ardell, Ana Gonz, and I went through the Cartanara to CCC 700m. As we returned Ardell spotted an adult, white and black banded Urotheca (Pleiocercus) evezana immobile beside the trail. It began violent crawtting at his approach, then thrash as he pincered it w/ his hand. This was at 2058m. When I tried to palp the snake at 2130m in the