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Records of Coendouichillus (Rodentia, Erethizontidae) from the Lower Urubamba Region of Peru.

Gregory T, Lunde D, Zamora-Meza HT, Carrasco-Rueda F - Zookeys (2015)

Bottom Line: Coendouichillus was first described in 2001 by Voss and da Silva, with a range from Amazonian Ecuador to Iquitos, Peru.We conservatively estimate that 17 individuals were photographed, including one juvenile.Being 900 km away from Iquitos, Peru (the site of the closest record), discovery of this species in the Lower Urubamba constitutes a significant range extension.

View Article: PubMed Central - HTML - PubMed

Affiliation: Center for Conservation Education and Sustainability, Smithsonian Conservation Biology Institute, National Zoological Park, Washington, DC 20013-7012.

ABSTRACT
Coendouichillus was first described in 2001 by Voss and da Silva, with a range from Amazonian Ecuador to Iquitos, Peru. Here, we describe an adult female Coendouichillus specimen collected in a Tomahawk trap in the forest canopy of the Lower Urubamba Region of Peru in October 2013. We also describe pathologies and behaviors observed through 379 camera trapping photo events (2,196 photos) gathered in natural canopy bridges over the course of a year (7,198 trap nights), including information on activity period over the course of the day and over the course of the lunar cycle. We conservatively estimate that 17 individuals were photographed, including one juvenile. Being 900 km away from Iquitos, Peru (the site of the closest record), discovery of this species in the Lower Urubamba constitutes a significant range extension.

No MeSH data available.


Related in: MedlinePlus

Images of skull (a dorsal b ventral, and c lateral views), mandible (d), skin (e dorsal and f ventral views), and skeleton (g) of our Coendouichillus specimen (CORBIDI-MA-00973).
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Figure 8: Images of skull (a dorsal b ventral, and c lateral views), mandible (d), skin (e dorsal and f ventral views), and skeleton (g) of our Coendouichillus specimen (CORBIDI-MA-00973).

Mentions: Our specimen from the LUR (CORBIDI-MA-00973) fits the description of the holotype of Coendouichillus (Figure 8), as described in Voss and da Silva (2001), and differs only in some details of the pelage as follows: 1) the dorsal view of the skin of the holotype, as photographed in Figure 9 of Voss and Da Silva (2001), shows a distinct, apparently spineless patch over the lower back and on the dorsal surface of the base of the tail, whereas our specimen from Peru is well-quilled over much of this area, there being only a small patch of quill-less skin over the base of the tail that we believe was the result of de-quilling during the skinning of the specimen; 2) Voss and da Silva (2001) describe the dorsal part of the tail of Coendouichillus as having tricolored bristles extending along the lateral caudal surfaces of the tail converging to form an indistinct whitish or yellowish “chevron” near the middle of the tail, but our specimen from the LUR did not exhibit this trait and had a rather sparse covering of tricolored bristles along the sides of the base of the tail; 3) the small tufts of bristles on the outer canthus of the pinnae appear to be set higher on the pinnae compared to those in the animal photographed in figure 12 of Voss and da Silva (2001) such that the ear bristle tufts on our specimen are in a line directly anterior to the eye, whereas in the live animal photographed, these bristles are slightly below an imaginary line drawn posteriorly through the midline of the eye (Figures 2 and 8).


Records of Coendouichillus (Rodentia, Erethizontidae) from the Lower Urubamba Region of Peru.

Gregory T, Lunde D, Zamora-Meza HT, Carrasco-Rueda F - Zookeys (2015)

Images of skull (a dorsal b ventral, and c lateral views), mandible (d), skin (e dorsal and f ventral views), and skeleton (g) of our Coendouichillus specimen (CORBIDI-MA-00973).
© Copyright Policy - creative-commons-attribution
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4493345&req=5

Figure 8: Images of skull (a dorsal b ventral, and c lateral views), mandible (d), skin (e dorsal and f ventral views), and skeleton (g) of our Coendouichillus specimen (CORBIDI-MA-00973).
Mentions: Our specimen from the LUR (CORBIDI-MA-00973) fits the description of the holotype of Coendouichillus (Figure 8), as described in Voss and da Silva (2001), and differs only in some details of the pelage as follows: 1) the dorsal view of the skin of the holotype, as photographed in Figure 9 of Voss and Da Silva (2001), shows a distinct, apparently spineless patch over the lower back and on the dorsal surface of the base of the tail, whereas our specimen from Peru is well-quilled over much of this area, there being only a small patch of quill-less skin over the base of the tail that we believe was the result of de-quilling during the skinning of the specimen; 2) Voss and da Silva (2001) describe the dorsal part of the tail of Coendouichillus as having tricolored bristles extending along the lateral caudal surfaces of the tail converging to form an indistinct whitish or yellowish “chevron” near the middle of the tail, but our specimen from the LUR did not exhibit this trait and had a rather sparse covering of tricolored bristles along the sides of the base of the tail; 3) the small tufts of bristles on the outer canthus of the pinnae appear to be set higher on the pinnae compared to those in the animal photographed in figure 12 of Voss and da Silva (2001) such that the ear bristle tufts on our specimen are in a line directly anterior to the eye, whereas in the live animal photographed, these bristles are slightly below an imaginary line drawn posteriorly through the midline of the eye (Figures 2 and 8).

Bottom Line: Coendouichillus was first described in 2001 by Voss and da Silva, with a range from Amazonian Ecuador to Iquitos, Peru.We conservatively estimate that 17 individuals were photographed, including one juvenile.Being 900 km away from Iquitos, Peru (the site of the closest record), discovery of this species in the Lower Urubamba constitutes a significant range extension.

View Article: PubMed Central - HTML - PubMed

Affiliation: Center for Conservation Education and Sustainability, Smithsonian Conservation Biology Institute, National Zoological Park, Washington, DC 20013-7012.

ABSTRACT
Coendouichillus was first described in 2001 by Voss and da Silva, with a range from Amazonian Ecuador to Iquitos, Peru. Here, we describe an adult female Coendouichillus specimen collected in a Tomahawk trap in the forest canopy of the Lower Urubamba Region of Peru in October 2013. We also describe pathologies and behaviors observed through 379 camera trapping photo events (2,196 photos) gathered in natural canopy bridges over the course of a year (7,198 trap nights), including information on activity period over the course of the day and over the course of the lunar cycle. We conservatively estimate that 17 individuals were photographed, including one juvenile. Being 900 km away from Iquitos, Peru (the site of the closest record), discovery of this species in the Lower Urubamba constitutes a significant range extension.

No MeSH data available.


Related in: MedlinePlus