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Articles 781 - 810 of 1086
Full-Text Articles in Botany
Plant Reproductive Allocation Predicts Herbivore Dynamics Across Spatial And Temporal Scales, Tom E. X. Miller, Andrew J. Tyre, Svata M. Louda
Plant Reproductive Allocation Predicts Herbivore Dynamics Across Spatial And Temporal Scales, Tom E. X. Miller, Andrew J. Tyre, Svata M. Louda
School of Biological Sciences: Faculty Publications
Life-history theory suggests that iteroparous plants should be flexible in their allocation of resources toward growth and reproduction. Such plasticity could have consequences for herbivores that prefer or specialize on vegetative versus reproductive structures. To test this prediction, we studied the response of the cactus bug (Narnia pallidicornis) to meristem allocation by tree cholla cactus (Opuntia imbricata). We evaluated the explanatory power of demographic models that incorporated variation in cactus relative reproductive effort (RRE; the proportion of meristems allocated toward reproduction). Field data provided strong support for a single model that defined herbivore fecundity as a …
Artificial Burrows And The Deer Mouse: Do Number Of Entrances Influence Use?, Glennis A. Kaufman, Donald W. Kaufman
Artificial Burrows And The Deer Mouse: Do Number Of Entrances Influence Use?, Glennis A. Kaufman, Donald W. Kaufman
The Prairie Naturalist
We examined use of artificial burrows by the deer mouse (Peromyscus maniculatus) in mixed grass prairie in north central Kansas. We predicted differential use of burrows, such that the deer mouse would prefer two entrance burrows in non-winter months when predatory snakes were active, but prefer one entrance burrows in winter when cold, windy conditions existed. We installed 20 pairs of artificial burrows (one single entrance and one double entrance) in summer 1988. We examined these burrows on seven dates from autumn 1988 to autumn 1989. All mice (n = 70) used two entrance burrows at least …
First Record Of The Least Shrew In Wyoming; And Clostridium Perfingens Type A Enterotoxemia In A Captive Adult White-Tailed Deer, Shauna R. Marquardt, Brian C. Bartels, Cheryl A. Schmidt, Joshua A. Delger, Kevin L. Monteith, Jonathan A. Jenks
First Record Of The Least Shrew In Wyoming; And Clostridium Perfingens Type A Enterotoxemia In A Captive Adult White-Tailed Deer, Shauna R. Marquardt, Brian C. Bartels, Cheryl A. Schmidt, Joshua A. Delger, Kevin L. Monteith, Jonathan A. Jenks
The Prairie Naturalist
First Record of the Leaast Shrew in Wyoming by Shauna R. Marquardt, Brian C. Bartels, and Cheryl A. Schmidt; and Clostridium perfingens Type A Enterotoxemia in a Captive Adult White-tailed Deer by Joshua A. Delger , Kevin L. Monteith, and Jonathan A. Jenks.
Habitat Characteristics Of Spring Blackbird Roosts In East-Central South Dakota, H. Jeffrey Homan, Richard S. Sawin, George M. Linz, William J. Bleier
Habitat Characteristics Of Spring Blackbird Roosts In East-Central South Dakota, H. Jeffrey Homan, Richard S. Sawin, George M. Linz, William J. Bleier
The Prairie Naturalist
In the northern Great Plains, blackbirds (Icteridae) roost almost exclusively in emergent-dominated wetlands. The physical characteristics of wetland roosts are not well understood. From March 20 to April 20, 1999, we studied 16 wetlands used as blackbird roosts in east-central South Dakota. Six wetlands had major roosts (range: 102,000-298,000 blackbirds); whereas, 10 wetlands had minor roosts (range: 2,010-34,000 blackbirds). Maximum roost size was correlated directly with emergent vegetation area (P = 0.05) and possibly with wetland basin area (P ≤ 0.10). Water depths were greater at used sites within wetlands of major roosts (median = 44 cm) than …
The Prairie Naturalist, Volume 38, Number 3, September 2006, Elmer J. Finck, Hilary Gillock
The Prairie Naturalist, Volume 38, Number 3, September 2006, Elmer J. Finck, Hilary Gillock
The Prairie Naturalist
The Prairie Naturalist (September 2006) 38(3)
Editor: Elmer J. Finck
Assistant editor: Hilary Gillock
Great Plains Natural Science Society
Artificial Burrows and the Deer Mouse: Do Number of Entrances Influence Use? GLENNIS A. KAUFMAN1 and DONALD W. KAUFMAN, pages 145-154
Evaluating Genetic Viability of Pronghorn in Wind Cave National Park JONATHAN A. JENKSi , CHRISTOPHER N. JACQUES, JARET D. SIEVERS, ROBERT W. KLAVER, R. TERRY BOWYER, and DANIEL E. RODDY, pages 155-165
Age Structure and Reproductive Activity of the Blue Sucker in the Milk River, Missouri River Drainage, Montana JULIE BEDNARSKl1 and DENNIS L. SCARNECCHIA, pages 167-182
Habitat Characteristics of …
Reviews: Natural History Of Javelinas; And Three Dvds On Bats, Louis A. Harveson, Jean Legge
Reviews: Natural History Of Javelinas; And Three Dvds On Bats, Louis A. Harveson, Jean Legge
The Prairie Naturalist
Reviews of Javelinas: Collared Peccaries of the Southwest (2006) by Jane Manaster, Texas Tech University Press, Lubbock, Texas, 85 pages (review by Louis A. Harveson) and of The Secret World of Bats (DVD), Building Homes for Bats (DVD), and Kids Discover Bats (DVD) (2005) published by Bat Conservation International (review by Jean Legge).
Book Reviews: Raptors In Your Pocket: A Guide To Great Plains Birds Of Prey; Dakota Flora: A Seasonal Sampler; The National Grasslands, Paul M. Konrad, Bonnie Heidel, F. L. Knopf
Book Reviews: Raptors In Your Pocket: A Guide To Great Plains Birds Of Prey; Dakota Flora: A Seasonal Sampler; The National Grasslands, Paul M. Konrad, Bonnie Heidel, F. L. Knopf
The Prairie Naturalist
Reviews of:
Raptors in Your Pocket: A Guide to Great Plains Birds of Prey, Dana Gardner, 2006, University of Iowa Press, 16 pages (laminated).
Dakota Flora: A Seasonal Sampler, David J. Ode, 2006, South Dakota State Historical Society Press, Pierre, South Dakota, 260 pages.
The National Grasslands, Francis Moul, 2006, University of Nebraska Press, Lincoln, Nebraska, 153 pages.
Population Biology Of Pumpkinseed In Enemy Swim Lake, South Dakota, Eric J. Weimer, Michael L. Brown
Population Biology Of Pumpkinseed In Enemy Swim Lake, South Dakota, Eric J. Weimer, Michael L. Brown
The Prairie Naturalist
Little information is available regarding the biology and population characteristics of pumpkinseed (Lepomis gibbosus), especially in South Dakota, a state at the western edge of the species native range. South Dakota Department of Game, Fish and Parks summer trap net survey data, collected 1998 to 2003, suggests the Enemy Swim Lake population has low abundance (0.4-2.9 per trap net night) and moderately high size structure (proportional stock density [PSD] ranges between 71 and 91). To further examine the biological characteristics of the Enemy Swim Lake population, pumpkinseed was collected from Indian Bay with trap nets during May 2003. …
Reproductive Development In The Sicklefin Chub In The Missouri And Lower Yellowstone Rivers, Douglas J. Dieterman, Eric Roberts, Patrick J. Braaten, David L. Galat
Reproductive Development In The Sicklefin Chub In The Missouri And Lower Yellowstone Rivers, Douglas J. Dieterman, Eric Roberts, Patrick J. Braaten, David L. Galat
The Prairie Naturalist
We describe aspects of sicklefin chub (Macrhybopsis meeki) reproductive development from three study areas encompassing greater than 2,700 km of the Missouri and Lower Yellowstone rivers. The sicklefin chub was collected between late July and early October in 1996 and 1997. A total of 193 sicklefin chub was collected and examined for reproductive characteristics. Twenty-nine sicklefin chub were found to be reproductively mature females. Some sicklefin chub matured at age 2, but most matured at age 3 and all matured by age 4. Females first became mature at 70 to 79 mm total length (TL) in the Upper …
First Record Of Hairy Woodrush From South Dakota, Katherine A. Zacharkevics
First Record Of Hairy Woodrush From South Dakota, Katherine A. Zacharkevics
The Prairie Naturalist
Hairy woodrush (Luzula acuminata (Juncaceae)), a native perennial graminoid, has recently been recorded for the first time from South Dakota.
Feeding Habitats Of Spring-Migrating Blackbirds In East-Central South Dakota, Richard S. Sawin, George M. Linz, William J. Bleier, H. Jeffrey Homan
Feeding Habitats Of Spring-Migrating Blackbirds In East-Central South Dakota, Richard S. Sawin, George M. Linz, William J. Bleier, H. Jeffrey Homan
The Prairie Naturalist
Between March 27 and April 21, 1998, we monitored blackbird (Icteridae) activity and habitat selection at a migratory staging area in east-central South Dakota. We used fixed-area observation points located within 20 l-km2 circular plots centered on four wetland basins that were used as night roosts. Each roost was surveyed four times, with the surveys spread evenly throughout the blackbird migration. We recorded the number of blackbird flocks, flock size and composition, habitat used, and behavior (e.g., loafing and feeding). Fifty percent (n = 242) of the 482 flocks recorded in the quadrats was observed loafing in trees …
The Prairie Naturalist, Volume 38, Number 2, June 2006, Elmer J. Finck, Hilary Gillock
The Prairie Naturalist, Volume 38, Number 2, June 2006, Elmer J. Finck, Hilary Gillock
The Prairie Naturalist
The Prairie Naturalist (June 2006) Volume 38, Issue 2, full issue.
Feeding Habitats of Spring-Migrating Blackbirds in East-central South Dakota, by Richard S. Sawin, George M. Linz, William J. Bleier, and H. Jeffrey Homan, pages 73-84.
Brood Break-up and Juvenile Dispersal of Lesser Prairie-chicken in Kansas, by James C. Pitman , Brent E. Jamison, Christian A. Hagen, Robert J. Robel, and Roger D. Applegate, pages 74-99.
Population Biology of Pumpkinseed in Enemy Swim Lake, South Dakota, by Eric J. Weimer and Michael L. Brown, pages 101-111.
Reproductive Development in the Sicklefin Chub in the Missouri and Lower Yellowstone Rivers, by …
First Record Of The Spurge Hawkmoth As A Pollen Vector For The Western Prairie Fringed Orchid [Notes], Carla R. Jordan, Gerald M. Fauske, Mrion O. Harris, Darla Lenz
First Record Of The Spurge Hawkmoth As A Pollen Vector For The Western Prairie Fringed Orchid [Notes], Carla R. Jordan, Gerald M. Fauske, Mrion O. Harris, Darla Lenz
The Prairie Naturalist
Identification of pollen vectors is one step in refining management plans for a threatened plant such as the western prairie fringed orchid (Platanthera praeclara Sheviak and Bowles). Pollen vector bionomics, phenology, and ethology must be understood to assess this moth and other potential pollinators relative to orchid reproductive success. Also, the ability of spurge hawkmoth (Lepidoptera: Sphingidae), a recently introduced species, to act as a pollen vector for an obligate prairie plant, the western prairie fringed orchid, in theoretical terms, provides evidence which contradicts long held tenets of one-to-one correspondence between orchids and their pollinators. Further research might shed …
The Prairie Naturalist, Volume 38, Number 1, March 2006, Elmer J. Finck, Hilary Gillock
The Prairie Naturalist, Volume 38, Number 1, March 2006, Elmer J. Finck, Hilary Gillock
The Prairie Naturalist
Fire History, Passerine Abundance, and Habitat on a North Dakota Drift Plain Prairie by Timothy J. Ludwick and Robert T. Murphy, pages 1-11
Bats in a Human-made Forest of Central Nebraska by Keith Geluso, pages 13-23
Effects of Predator Removal on Upland Nesting Ducks in North Dakota Grassland Fragments by Kristen D. Chodachek and Michael J. Chamberlain, pages 25-37
Estimates of Breeding Bird Populations in the Sheyenne National Grassland, North Dakota by Mary Ann Cunningham, Douglas H. Johnson, and Daniel N. Svingen, pages 39-56
Notes: First Record of the Spurge Hawkmoth as a Pollen Vector for the western Prairie Fringed …
Fire History, Passerine Abundance, And Habitat On A North Dakota Drift Plain Prairie, Timothy J. Ludwick, Robert K. Murphy
Fire History, Passerine Abundance, And Habitat On A North Dakota Drift Plain Prairie, Timothy J. Ludwick, Robert K. Murphy
The Prairie Naturalist
Prescribed fire is among key tools for restoring and managing prairies in the northern Great Plains, yet there are no published reports of its impacts on grassland passerine birds on native prairie in the Drift Plain, a major physiographic subregion. We examined relationships between prescribed fire history and abundance and habitat of breeding passerines in Drift Plain prairie at Des Lacs National Wildlife National Refuge in northwestern North Dakota. In 2003, we used point counts (n = 79 75 m radius plots) to survey bird abundance on 16 management units that had been prescribe-burned one to three times each …
Suggestions For Contributors And Editorial Policy (The Prairie Naturalist), Elmer J. Finck, Hilary Gillock
Suggestions For Contributors And Editorial Policy (The Prairie Naturalist), Elmer J. Finck, Hilary Gillock
The Prairie Naturalist
Suggestions for contributors and editorial policy for The Prairie Naturalist from March 2006, Volume 38, Issue 1.
Estimates Of Breeding Bird Populations In The Sheyenne National Grassland, North Dakota, Mary Ann Cunningham, Douglas Johnson, Daniel N. Svingen
Estimates Of Breeding Bird Populations In The Sheyenne National Grassland, North Dakota, Mary Ann Cunningham, Douglas Johnson, Daniel N. Svingen
The Prairie Naturalist
We conducted a two-year survey of breeding birds in the Sheyenne National Grassland, North Dakota, to estimate total populations of breeding birds. The Grassland is of interest because it provides wildlife habitat and recreational birding opportunities. Indicated breeding pairs were counted on 100-m wide belt transects during morning surveys from late May to early July in 2002 and 2003. We surveyed approximately 6 to 7% of the Grassland each year. The most abundant species in both years were grasshopper sparrow (Ammodramus savannarum), red-winged blackbird (Agelaius phoeniceus), claycolored sparrow (Spizella pallida), Savannah sparrow (Passerculus …
Effects Of Predator Removal On Upland Nesting Ducks In North Dakota Grassland Fragments, Kristen D. Chodachek, Michael J. Chamberlain
Effects Of Predator Removal On Upland Nesting Ducks In North Dakota Grassland Fragments, Kristen D. Chodachek, Michael J. Chamberlain
The Prairie Naturalist
Low nest success rates in the Prairie Pothole Region are attributed mainly to changes in the predator community coupled with reductions in availability of suitable nesting cover. We evaluated effects of removal of mammalian predators on pair density and nest success of ducks nesting on 259 ha sites in northeastern North Dakota during 2001 and 2002. We monitored pair density and duck nests on 10 sites with removal and 10 sites without removal. Overall nest success for both years was greater on trapped (53.4%) than nontrapped sites (28.7%). Pair densities were not affected by predator removal, but did increase across …
Influence Of Nutrient Availability, Stand Age, And Canopy Structure On Isoprene Flux In A Eucalyptus Saligna Experimental Forest, Jennifer L. Funk, Christian P. Giardina, Alexander Knohl, Manuel T. Lerdau
Influence Of Nutrient Availability, Stand Age, And Canopy Structure On Isoprene Flux In A Eucalyptus Saligna Experimental Forest, Jennifer L. Funk, Christian P. Giardina, Alexander Knohl, Manuel T. Lerdau
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
Eucalyptus plantations occupy approximately 10 million ha of land in the tropics and, increasingly, afforestation and reforestation projects are relying on this genus to provide rapid occupation of degraded sites, large quantities of high-quality wood products, and high rates of carbon sequestration. Members of the genus Eucalyptus are also very high emitters of isoprene, the dominant volatile organic compound emitted by trees in tropical ecosystems, which significantly influences the oxidative capacity of the atmosphere. While fertilization growth response of these trees has been intensively studied, little is known about how fertilization and tree age alter isoprene production from plantations of …
The Prairie Naturalist, Volume 37, No.4 December 2005
The Prairie Naturalist, Volume 37, No.4 December 2005
The Prairie Naturalist
AVIAN COMMUNITY RESPONSE TO CONSTRUCTION OF A NATURALISTIC GOLF COURSE IN TALL GRASS PRAIRIE IN KANSAS ▪ R. J. Robel, S. L. Bye, K. E. Kemp, and S. J. Thien
SECOND REPORT OF THE NORTH DAKOTA BIRD RECORDS COMMITTEE: 2002-2003 ▪ D. Svingen, and R. E. Martin
RECENT RECORDS OF FORMERLY EXTIRPATED CARNIVORES IN NEBRASKA ▪ J. D. Hoffman, and H. H. Genoways
PLAINS HARVEST MOUSE IN NORTH DAKOTA ▪ R. W. Seabloom, and T. L. Shaffer
Book Reviews
A Primer on Prairie Ecology ▪ M. A. Cunningham
Range Wars: Have Prairie Dogs Lost the Battle for the West? ▪ …
The Prairie Naturalist, Volume 37, Number 3, September 2005
The Prairie Naturalist, Volume 37, Number 3, September 2005
The Prairie Naturalist
Landscape Compostiona and Greater Prairie Chicken Lek Attendance: Implications for Management by N. D. Niemuth
Helminthic Parasites in Ring-necked Pheasant from Southwestern Kansas by R. J. Robel, T. L. Walker, Jr., R. K. Ridley, K. E. Kemp, and R. D. Applegate
Seasonal Migration and Home Ranges of Female Elk in the Black Hills of South Dakota and Wyoming by L. Benkobi, M. A. Rumble, C. H. Stubblefield, R. S. Garno, and J. J. Millspaugh
Ring-necked Pheasant Survive with Broken Wings by R. D. Applegate and L. Scott
First Nebraska Nest Record for Henslow's Sparrow by D. H. Kim
RangeE Extension …
A New Species Of Streptanthus (Brassicaceae) From Three Peaks In Lake County, California, Rebecca W. Dolan, Richard O'Donnell
A New Species Of Streptanthus (Brassicaceae) From Three Peaks In Lake County, California, Rebecca W. Dolan, Richard O'Donnell
Scholarship and Professional Work - LAS
Streptanlhus vernalis is a newly described species inhabiting serpentine rock outcrops in the Three Peaks area in Lake County, California. Morphological and allozyme data indicate that this taxon is related to the S. morrisonii complex.
Influence Of Biocontrol Insects On Canada Thistle: Seed Production, Germinability, And Viability, Gary E. Larson, Tim A. Wittig, Kenneth F. Higgins, Brent Turnipseed, Dawn M. Gardner
Influence Of Biocontrol Insects On Canada Thistle: Seed Production, Germinability, And Viability, Gary E. Larson, Tim A. Wittig, Kenneth F. Higgins, Brent Turnipseed, Dawn M. Gardner
The Prairie Naturalist
We conducted surveys of thistle-feeding insects on Canada thistle [Cirsium arvense (L.) Scop.] during the 2000 and 2001 growing seasons at Lacreek National Wildlife Refuge (LNWR), South Dakota, and analyzed their impact on thistle seed production, germination, and viability. Insects included Canada thistle stem weevil [Hadroplontus litura, formerly Ceurtorhynchus lilura, (Coleoptera: Curculionidae)], introduced at LNWR as a biocontrol agent, plus two seed head parasites, the thistle head weevil [Rhinocyllus conicus (Coleoptera: Curculionidae)] and the seed head fly [Terellia ruficauda (Diptera: Tephritidae)]. Infestation by these insects caused no significant reduction in per-head seed yield, with means ranging from 82.5 seeds per …
Christmas Bird Counts For North Dakota 2004, Robert N. Randall
Christmas Bird Counts For North Dakota 2004, Robert N. Randall
The Prairie Naturalist
Christmas Bird Counts were made in 21 areas in North Dakota again in the year 2004. During the year a new count site was established in Pembina County and registered with the Audubon Society but an actual count was not made in the area this year. The location of the all areas in which counts were actually made is shown in Fig. 1. A relatively mild fall season leading up to the count period left much more open water than normal. Weather conditions during the count period varied widely with some areas reporting temperatures in the 40's and 50's of, …
Biological Notes On Ground-Nesting Digger Wasps From Western Nebraska, Robert W. Matthews, Janice R. Matthews
Biological Notes On Ground-Nesting Digger Wasps From Western Nebraska, Robert W. Matthews, Janice R. Matthews
The Prairie Naturalist
Nine species of sphecid wasps nesting in sparsely vegetated sandy soils near Ogallala, Keith County, Nebraska were studied during June 2003. The first records of the nest and prey of Cerceris clypeata gnarina Banks and Tachysphex williamsi R. Bohart are presented. Two species of weevils, Baris striata Say and B. subsimilis Casey, were prey of C. clypeata gnarina, with 12 to 22 individuals stocked per cell. Because B. subsimilis is a biological control agent for thistle, this finding is a caution to researchers not to ignore the potential impact of predatory wasps on the community. The single nest of T …
Grazing Intensity Effects On Northern Plains Mixed-Grass Prairie, Wendi M. Rogers, Donald R. Kirby, Paul E. Nyren, Bob D. Patton, Edward S. Dekeyser
Grazing Intensity Effects On Northern Plains Mixed-Grass Prairie, Wendi M. Rogers, Donald R. Kirby, Paul E. Nyren, Bob D. Patton, Edward S. Dekeyser
The Prairie Naturalist
We evaluated the effects of long-term (1988 to 2000) grazing on northern mixed-grass prairie at tI.e Central Grasslands Research Extension Center in south-central North Dakota. We did not detect a difference in herbaceous basal cover between grazing intensities following 12 consecutive years of season-long moderate (50% removal of annual above-ground standing crop) and heavy (80% removal of annual above-ground standing crop) grazing. However, both moderate and heavy grazing intensities reduced above-ground herbaceous standing crop, total root biomass, and soil organic carbon. Moderate grazing intensity maintained a greater amount of deep (10 to 20 cm) and total root biomass relative to …
The Prairie Naturalist: Volume 37, No. 2 June 2005
The Prairie Naturalist: Volume 37, No. 2 June 2005
The Prairie Naturalist
BIOLOGICAL NOTES ON GROUND-NESTING DIGGER WASPS FROM WESTERN NEBRASKA R. W. Matthews, and J. R. Matthews 61
GRAZING INTENSITY EFFECTS ON NORTHERN PLAINS MIXED-GRASS PRAIRIE W. M. Rogers, D. R. Kirby, P. E. Nyren, B. D. Patton, and E. S. DeKeyser 73
INFLUENCE OF BIOCONTROL INSECTS ON CANADA THISTLE: SEED PRODUCTION.,GERMINABILITY, AND VIABILITY G. E. Larson, T. A. Wittig, K. F. Higgins, B. Turnipseed, and D. M Gardner 85
MAMMALS OF FORT LEAVENWORTH, KANSAS: A 6O-YEAR FOLLOW-UP TO BRUMWELL (1951) c. R. Davis, F. B. Stangl, Jr., and L. W. Robbins 101
CHRISTMAS BIRD COUNTS FOR NORTH DAKOTA 2004 R. …
Mammals Of Fort Leavenworth, Kansas: A 60-Year Followup To Brumwell (1951), Clay R. Davis, Frederick B. Stangl Jr., Lynn W. Robbins
Mammals Of Fort Leavenworth, Kansas: A 60-Year Followup To Brumwell (1951), Clay R. Davis, Frederick B. Stangl Jr., Lynn W. Robbins
The Prairie Naturalist
More than 60 years have elapsed since Brumwell's (1951) comprehensive assessment during 193911940 of resident terrestrial vertebrates from Fort Leavenworth Military Rooervation in northeastern Kansas. Subsequent studies have been accomplished for the amphibians, reptiles, and birds. Our study is the first to assess intervening changes in the mammalian composition of this diverse local fauna. Notable observations include: the decline or extirpation of the black-tailed jackrabbit (Lepus californicus), Franklin's ground squirrel (Spermophilus franklinii), muskrat (Ondatra zibethicus), long-tailed weasel (Mustela frenata) and eastern spotted skunk (Spilogale putorius); the return or recovery of locally extirpated gray fox (Urocyon cinereoargenteus), puma (Puma concolor), and …
An Additional Record Of The Ornate Box Turtle From Western South Dakota, Steven G. Platt, Jennifer I. Stover, Edward J. Stover Iii
An Additional Record Of The Ornate Box Turtle From Western South Dakota, Steven G. Platt, Jennifer I. Stover, Edward J. Stover Iii
The Prairie Naturalist
On June 11, 2003, one of us (EJS) found an ornate box turtle crossing BIA Highway 2, approximately 7.2 km north of Sharps Comer on the Pine Ridge Indian Reservation in Shannon County, South Dakota. The air temperature at the time of collection was approximately 30°C and the substrate was moist from light rain the previous day. The turtle was an adult female with a straight-line carapace length of 118 mm. Other straight-line measurements were: maximum carapace width = 100 mm; plastron length = 122 mm; maximum plastron width = 82 mm; and maximum shell depth = 64 mm. We …
The Quintessential Companion For North American Birders: Review Of The Birdwatcher's Companion To North American Birdlife By Christopher W. Leahy, Lawrence Igl
The Prairie Naturalist
The Birdwatcher's Companion was revised in 2004 under a new title, The Birdwatcher's Companion to North American Birdlire, and by a new publisher, Princeton University Press. This substantial work builds on Leahy's previous edition published in 1982. Hailed by the publisher as the quintessential, alphabetically arranged guide to North American birdlife, the new edition of The Birdwatcher's Companion is over 100 pages longer than the first edition, but, overall, the style and format have not changed much between the two editions. The Companion begins with a brief chapter in which the author describes how to use the book, how it …