Field notes, v1602
Page 227
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
K. Selander, 1953 2 Calocitta formosa Tuxtla Gutierrez, Chiapas, Mexico Oct. 2 increasingly common as you go NW from Villa Allende (and also down in elevation). Villa Allende is most southern point that Almaroz has seen Psilorhinae . According to him it is a bird of the wet lowlands, Calocitta said not to be present north of Villa Allende. Almaroz talked to two persons in Villa Allende who have seen the strange joy. One saw a flock of 4 "several years ago" and the other one saw two "several years ago". It is Almaroz's impression that the joy appears only in certain years - rather than being constantly present. He has a theory that it may live in the gorge gorge is called "Sumidero" of the Rio Chiapa ( Sumideros ) which is a steep walled canyon north of Tuxtla. He says that no one has ever been down in the canyon since the walls are perfectly vertical and there are rapids and falls there. I can well believe this from what I have seen of the area both from the plane coming into Tuxtla and from my experience along the Rio Tuxtla NE of Tuxtla - where even there the walls of the gorge drop vertically from 100 feet or more in some places. It is his idea that small bands of individuals wander up from the canyon in certain years. One of the men from Villa Allende who has seen the "ursoca c. negra" is coming down to Tuxtla to deliver