
Charles R. BrittMesa Ecological Services
Charles R. Britt
MS Wildlife Science
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19
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Publications (19)
Bot flies (Oestridae: Cuterebrinae) are obligate mammalian parasites that complete the larval stage of their life cycle under the skin of their host. Most detailed studies of bot fly larval disease ecology have been conducted in temperate deciduous zone rodent systems. To understand the relative importance of seasonal and spatial factors, as well a...
Supplementation of nest boxes is a common practice to increase nesting opportunities for cavity nesters, such as psittacids (i.e., parrots), many of whom are species of conservation concern. However, understanding occupancy requirements of most psittacids remains an important challenge for effective conservation actions, including placement of nest...
The endangered Yellow-headed Parrot (Amazona oratrix) has experienced a considerable reduction in abundance and distribution. Identifying natural and anthropogenic causes of nest failure is a critical step towards developing conservation actions that increase nest survival. In this study, we examined daily nest survival in relation to temporal, hab...
In 2018, 120 kilometers (75 miles) of pedestrian searches for new populations of Todsen’s pennyroyal (Hedeoma todsenii) were conducted east of Cat Mountain, Otero County, New Mexico. No new populations were found. The 15 original populations discovered in 1988 and 1990 were re-mapped to initiate long-term monitoring of population extent and positio...
Todsen’s pennyroyal (Hedeoma todsenii) is a federally endangered mint (Lamiaceae) endemic to the mountains surrounding the Tularosa Basin in southern New Mexico. Forty-three populations are known to occur in pinon-juniper woodlands on steep, gypsiferous montane slopes; 15 in the San Andres Mountains on White Sands Missile Range and 28 in the Sacram...
As part of the annual long-term monitoring rotation of populations of the federally endangered mint, Todsen’s pennyroyal (Hedeoma todsenii), five populations (P19, P20, P23, P25, and P26) spread across the known distribution on White Sands Missile Range were monitored in early July and late September 2018. All populations, except P20, exhibited rep...
Todsen’s pennyroyal (Hedeoma todsenii) is a Federally Endangered mint endemic to the mountains east and west of the Tularosa Basin in southern New Mexico. Searches in 2017 yielded 15 new populations, raising the overall total to 45; 30 in Otero County and 15 in Sierra County. 4 new populations were found on Cat Mountain, 7 between Mountain Lion Pea...
A collaborative effort was undertaken in 2016 by members of the Yellow‐headed Parrot Working Group (and supporters) to assess the status of the globally endangered Yellow‐headed Parrot (Amazona oratrix) across Belize. This included transect surveys, roost searches and counts, and nest searches and monitoring across the pine savannahs. Transect surv...
Executive Summary The Scarlet Macaw (Ara macao) is a wide-ranging parrot which has experienced reduced abundance and increased isolation in Mesoamerica as a result of habitat destruction and the illegal pet trade. In 2010, nest survival rates suggested that the known breeding population in Belize were experiencing a decline driven primarily by high...
The Scarlet Macaw (Ara macao) is a wide‐ranging parrot which has experienced reduced abundance and increased isolation in Mesoamerica as a result of habitat destruction and the illegal pet trade. In 2010, nest survival rates suggested that the known breeding population in Belize were experiencing a decline driven primarily by high poaching rates, e...
Hedeoma todsenii is a rare, endemic mint that is currently known from 30 populations across the San Andres and Sacramento mountain ranges in south‐central New Mexico. It is designated as endangered with critical habitat and occurs on lands administered by DOD, BLM, and USFS. It is found on gypseous soils of the Permian Yeso formation in sheltered,...
The Scarlet Macaw (Ara macao) is a wide-ranging parrot which has experienced reduced abundance and increased isolation in Mesoamerica as a result of habitat destruction and the illegal pet trade. In 2010, nest survival rates suggested that the known breeding population in Belize may be experiencing a decline driven primarily by high poaching rates,...
The Solitary Eagle, Buteogallus solitarius, is poorly known to the scientific community in all aspects of its ecology. It is local and exceptionally rare throughout its entire range from northern Mexico to northern Argentina and is restricted to steep mountainous and hilly terrain. Prior to our research, only three nests (2 in Mexico and 1 in Peru)...
The Scarlet Macaw (Ara macao) is a widely distributed parrot that has suffered reduced abundance and increased isolation in Mesoamerican populations. Understanding environmental and temporal factors that influence nest survival may assist efforts to increase annual recruitment for this species, improving population viability. We examined nest survi...
The Scarlet Macaw (Ara macao) is a wide‐ranging parrot which has experienced reduced
abundance and increased isolation in Mesoamerica as a result of habitat destruction and
the illegal pet trade. In 2010, nest survival rates suggested that the known breeding
population in Belize may be experiencing a decline driven primarily by high poaching
rates,...
All fifteen populations (P16 – 30) of Todsen’s Pennyroyal known to occur on White Sands Missile Range, NM, were monitored in 2012. Of these, eleven were previously monitored and four populations (P27 – 30) were surveyed for the first time, establishing baseline data. This report covers results from population surveys as well as search efforts condu...
The Scarlet Macaw (Ara macao) is a wide-ranging parrot which has experienced reduced
abundance and increased isolation in Mesoamerica as a result of habitat destruction and the illegal pet trade. In 2010, nest survival rates suggest that the known breeding population in Belize may be experiencing a decline driven mainly by high poaching rates, espe...
A survey focusing on the distribution and habitat preferences of the Gray Vireo within the
New Mexico counties of Dona Ana and Otero on Fort Bliss was conducted in 2007. The survey was intended to fill in some of the current distributional data gaps and assist land managers in making decisions regarding the management of training areas within the i...