Ducks, Geese, And Swans Of The World: Tribe Stictonettini (Freckled Duck),
2010
University of Nebraska-Lincoln
Ducks, Geese, And Swans Of The World: Tribe Stictonettini (Freckled Duck), Paul A. Johnsgard
Ducks, Geese, and Swans of the World by Paul A. Johnsgard
Freckled Duck
Even more than the Cape Barren goose, the freckled duck exhibits an assortment of anatomical traits that suggest affinities with the geese and swans, in spite of a fairly typical ducklike appearance and foraging behavior. Its unpatterned downy young, its remarkably primitive syringeal structure, and its reticulated tarsus all strongly argue for the position that this species is the sole survivor of a very ancient waterfowl lineage, with no near living relatives. A detailed study of its social behavior is greatly to be desired, for like the magpie goose, it provides an unequaled opportunity to gain insight into …
Ducks, Geese, And Swans Of The World: Tribe Tachyerini (Steamer Ducks),
2010
University of Nebraska-Lincoln
Ducks, Geese, And Swans Of The World: Tribe Tachyerini (Steamer Ducks), Paul A. Johnsgard
Ducks, Geese, and Swans of the World by Paul A. Johnsgard
Flying Steamer Duck
Magellanic Flightless Steamer Duck
Falkland Flightless Steamer Duck
The South American steamer ducks have at times been included with the shelducks, but differ enough from them in structure and behavior to be regarded as a separate but closely related tribe. There are three species very similar in appearance; two are essentially flightless. All are found off the coasts of southern South America and the Falkland Islands, where they feed on mollusks and other marine invertebrates. The males differ slightly from females in their plumage and vocalizations, but in both sexes iridescent coloration is totally lacking and only …
Ducks, Geese, And Swans Of The World: Tribe Aythyini (Pochards),
2010
University of Nebraska-Lincoln
Ducks, Geese, And Swans Of The World: Tribe Aythyini (Pochards), Paul A. Johnsgard
Ducks, Geese, and Swans of the World by Paul A. Johnsgard
Pink-headed Duck ● Red-crested Pochard ● Southern Pochard ● Rosybill ● Canvasback ● Eurasian Pochard ● Redhead ● Ring-necked Duck ● Australasian White-eye ● Siberian White-eye (Baer Pochard) ● Ferruginous White-eye ● Madagascan White-eye ● Tufted Duck ● New Zealand Scaup ● Greater Scaup ● Lesser Scaup
This tribe of primarily fresh-water diving ducks contains 16 species that collectively may be called pochards. The tribe has a nearly worldwide distribution, but only a few of its species have ranges that extend beyond a single continent. In addition to 15 species that are very similar in body proportions and diving adaptations, …
Ducks, Geese, And Swans Of The World: Tribe Cairinini (Perching Ducks),
2010
University of Nebraska-Lincoln
Ducks, Geese, And Swans Of The World: Tribe Cairinini (Perching Ducks), Paul A. Johnsgard
Ducks, Geese, and Swans of the World by Paul A. Johnsgard
Spur-winged Goose
Muscovy Duck
White-winged Wood Duck
Comb Duck
Hartlaub Duck
Green Pygmy Goose
Cotton Pygmy Goose
African Pygmy Goose
Ringed Teal
North American Wood Duck
Mandarin Duck
Australian Wood Duck
Brazilian Teal
This group of 13 species of primarily perching waterfowl is a rather heterogeneous assemblage of birds that are not easily characterized. In addition to being generally perching and cavity-nesting, they also have fairly wide, rounded wings, elongated tails, and sometimes also relatively long legs. Many of the species exhibit a great deal of iridescent coloration in their plumage, even among females, and in a few species nearly …
Ducks, Geese, And Swans Of The World: Tribe Oxyurini (Stiff-Tailed Ducks),
2010
University of Nebraska-Lincoln
Ducks, Geese, And Swans Of The World: Tribe Oxyurini (Stiff-Tailed Ducks), Paul A. Johnsgard
Ducks, Geese, and Swans of the World by Paul A. Johnsgard
Black-headed Duck
Masked Duck
Ruddy Duck
White-headed Duck
Maccoa Duck
Argentine Blue-billed Duck
Australian Blue-billed Duck
Musk Duck
The stiff-tailed ducks are characterized by several unusual features in addition to their long, stiffened tail feathers that serve as underwater rudders. Among other adaptations are their very large feet, which are placed so far back on the body that it is difficult for these birds to walk on land. The body feathers are small, numerous, and have a grebe-like sheen, and the wings are so short that takeoff and flight is attained with difficulty. All of the species have relatively short …
Waterfowl Of North America: Index,
2010
University of Nebraska-Lincoln
Waterfowl Of North America: Index, Paul A. Johnsgard
Waterfowl of North America, Revised Edition (2010) by Paul A. Johnsgard
English vernacular names of waterfowl indexed here are in general those used in this book for species or larger groupings. Vernacular names for subspecies are only indexed to those pages where they may be listed among the subspecies included in the species accounts. Pages that include the primary discussions of each species are indicated by boldface under the species' vernacular name and its scientific name. Species other than waterfowl are not indexed.
acuta, Anas, 257-267
[through]
Wood Duck, 13, 14, 16, 20, 24,28, 35, 161, 169-180, 480, 486, 490; map, 172
Waterfowl Of North America: Swans And True Geese, Tribe Anserini,
2010
University of Nebraska-Lincoln
Waterfowl Of North America: Swans And True Geese, Tribe Anserini, Paul A. Johnsgard
Waterfowl of North America, Revised Edition (2010) by Paul A. Johnsgard
The approximately twenty extant species of swans and true geese are, unlike the whistling ducks, primarily of temperate and arctic distribution, especially in the Northern Hemisphere. It is thus not surprising that continental North America may lay claim to at least nine breeding species, or nearly half.of the known total. Additionally, sufficient records of a tenth, the barnacle goose, are known as to warrant its inclusion in the book even though there is no indication that it nests in continental North America. Several additional Old World species of geese and swans have been reported one or more times in North …
Waterfowl Of North America: Surface-Feeding Ducks, Tribe Anatini,
2010
University of Nebraska-Lincoln
Waterfowl Of North America: Surface-Feeding Ducks, Tribe Anatini, Paul A. Johnsgard
Waterfowl of North America, Revised Edition (2010) by Paul A. Johnsgard
The surface-feeding, dabbling, or similarly described ducks are a group of about thirty-six species of mostly freshwater ducks that occur throughout the world. Many of them are temperate or arctic-breeding species that nest on dry land near freshwater ponds, marshes, rivers, or similar rather shallow bodies of water. Associated with this breeding habitat are their adaptations for foraging by "tipping-up" rather than by diving for food, an ability to land and take off abruptly from small water areas or land, and a moderately good walking ability but reduced perching capabilities as compared with perching ducks. Also unlike perching ducks, iridescent …
TÜBİTAK
The Occurrence Of Epizoic Ciliates (Protozoa: Ciliophora) Of The Juvenile Flounder, Platichthys Flesus L., 1758, From Sarıkum Lagoon Lake (Sinop, Turkey), Türkay Öztürk, Ahmet Özer
Turkish Journal of Zoology
The occurrence of epizoic ciliates on the juvenile flounder, Platichthys flesus L., 1758, collected monthly by fishing net in Sinop's Sarıkum Lagoon Lake during the period from May 2003 to April 2004, was investigated. Five epizoic ciliate species, Trichodina jadranica (Raabe, 1958) Haider, 1964; Trichodina domerguei Wallengren, 1897; Riboscyphidia sp.; Ambiphrya sp.; and Vorticella sp., were found after examination of 296 juvenile flounder. Among these, T. jadranica was the dominant species. The prevalence and mean intensity values of the 5 epizoic ciliates were given as pooled data for 2 groups, namely mobiline ciliates and sessiline ciliates. Mobiline ciliates were commonly …
Status And Distribution Of The Gapped Ringed Crayfish, Orconectes Neglectus Chaenodactylus, In Arkansas,
2010
Arkansas Game and Fish Commission
Status And Distribution Of The Gapped Ringed Crayfish, Orconectes Neglectus Chaenodactylus, In Arkansas, Brian K. Wagner, C. A. Taylor, Mark D. Kottmyer
Journal of the Arkansas Academy of Science
Orconectes neglectus chaenodactylus, the gapped ringed crayfish, is an uncommon and poorly-known, stream-dwelling crayfish that is endemic to the central White River basin of Arkansas and Missouri. This study surveyed a semi-random selection of stream sites in the Arkansas portion of this range in order to characterize the crayfish communities and evaluate the status of O. n. chaenodactylus in Arkansas. Collections of a total of 1,107 individual crayfish specimens were made at 45 sites, including 497 O. n. chaenodactylus from 21 sites. Orconectes punctimanus was the crayfish species most commonly associated with O. n. chaenodactylus, occurring at 71% of sites …
Population Status Of The Southern Cavefish, Typhlichthys Subterraneus In Arkansas,
2010
Southern Illinois University Edwardsville
Population Status Of The Southern Cavefish, Typhlichthys Subterraneus In Arkansas, A. Romero, M. S. Connor, G. L. Vaughan
Journal of the Arkansas Academy of Science
We summarize the results of our study on the status of the southern cavefish (Typhlichthys subterraneus) in Arkansas. Its presence in the state represents the western-southern limits of its distribution. Four localities have been confirmed that contain individuals of this species: Richardson Cave (Fulton County), Alexander Cave/Clark Spring (Stone County), Ennis Cave (Stone County), and Lake Norfork (Baxter County). A fifth locality has been cited as a well in Randolph County, but because the exact location is unknown, its presence has not been confirmed. A number of unconfirmed localities for “cavefishes” in the region has not been included in this …
Distribution Of The Endemic Redspotted Stream Crayfish, Orconectes Acares (Decapoda: Cambaridae), In Arkansas,
2010
Eastern Oklahoma State College
Distribution Of The Endemic Redspotted Stream Crayfish, Orconectes Acares (Decapoda: Cambaridae), In Arkansas, Chris T. Mcallister, Henry W. Robison
Journal of the Arkansas Academy of Science
No abstract provided.
Latitudinal Variation In Seasonal Activity And Mortality In Ratsnakes (Elaphe Obsoleta),
2010
Gettysburg College
Latitudinal Variation In Seasonal Activity And Mortality In Ratsnakes (Elaphe Obsoleta), Jinelle H. Sperry, Gabriel Blouin-Demers, Gerardo L.F. Carfagno, Patrick J. Weatherhead
Biology Faculty Publications
The ecology of ectotherms should be particularly affected by latitude because so much of their biology is temperature dependent. Current latitudinal patterns should also be informative about how ectotherms will have to modify their behavior in response to climate change. We used data from a total of 175 adult black ratsnakes (Elaphe obsoleta) radio tracked in Ontario, Illinois, and Texas, a latitudinal distance of > 1500 km, to test predictions about how seasonal patterns of activity and mortality should vary with latitude. Despite pronounced differences in temperatures among study locations, and despite ratsnakes in Texas not hibernating and switching from diurnal …
Broad-Scale Relations Between Conservation Reserve Program And Grassland Birds: Do Cover Type, Configuration And Contract Age Matter?,
2010
Mississippi State University
Broad-Scale Relations Between Conservation Reserve Program And Grassland Birds: Do Cover Type, Configuration And Contract Age Matter?, Sam Riffell, Daniel Scognamillo, L. Wes Burger Jr., Shawn Bucholtz
Faculty Publications
The Conservation Reserve Program (CRP) is a voluntary cropland set-aside program where environmentally-sensitive cropland is retired to a conservation practice. Grassland birds should benefit because most CRP is grass habitat and because amount of land in CRP is highest in agriculture-dominated areas of the United States where grassland habitat has been most impacted. We used the Breeding Bird Survey and Common Land Unit (CLU) data (spatially-explicit data of farm field boundaries and land cover) to identify relations between types and configurations of CRP and grassland bird abundance in 3 Midwestern states. All 13 species we studied were related to at …
The Role Of Retrieval And Translocation In A Reintroduced Population Of Migratory Whooping Cranes,
2010
International Crane Foundation
The Role Of Retrieval And Translocation In A Reintroduced Population Of Migratory Whooping Cranes, Sara E. Zimorski, Richard P. Urbanek
Proceedings of the North American Crane Workshop
Beginning in 2001, a reintroduction project was initiated using captive-reared whooping cranes (Grus americana) to establish a migratory flock in eastern North America. From May 2003 to August 2008, 23 of these birds were retrieved and translocated in 15 separate events. These individuals consisted of 14 cranes that had been led to Florida by ultralight aircraft on their first autumn migration (UL) and 9 cranes that had been directly released in autumn in Wisconsin (DAR). Of 104 (86 UL and 18 DAR) reintroduced individuals that eventually departed from their release location, 22% were later retrieved 1-3 times. Lake …
Home Range Size And Habitat Use Of Mississippi Sandhill Crane Colts,
2010
U.S. Fish and Wildlife Service, Mississippi Sandhill Crane National Wildlife Refuge
Home Range Size And Habitat Use Of Mississippi Sandhill Crane Colts, Scott G. Hereford, Tracy E. Grazia, Jereme N. Phillips, Glenn H. Olsen
Proceedings of the North American Crane Workshop
Recruitment in the endangered Mississippi sandhill crane (Grus canadensis pulla) is minimal, with the population of 110 sustained by an annual augmentation of captive-reared juveniles. Suitability of available habitat quality is likely involved in nesting success. Thousands of hectares of pine savanna were restored for crane use, but it is not clear how much was being used by crane families. We used 3-g subcutaneous transmitters to radio-tag 27 colts over 6 years from 1998 to 2002 and 2004 to determine home range and habitat use. Using a hand-held receiver, H-antenna and standard triangulation, location data were collected twice …
Three White Cranes, Two Flyways, One World,
2010
International Crane Foundation
Three White Cranes, Two Flyways, One World, Sara Gavney Moore, Joan Garland, Zhang Juan, Maria Vladimirtseva
Proceedings of the North American Crane Workshop
The International Crane Foundation, together with Beijing Brooks Education Center in China and the Institute for Biological Problems of the Cryolithozone in Russia, is implementing a multi-year education project targeting local communities along the eastern crane flyways in the United States and East Asia. The education activities focus on the importance of wetlands, wildlife, and other natural resources from the perspective of local communities and are designed to enhance local leadership for education efforts. In the U.S. project activities are integrated with education programs centering on the eastern migratory whooping crane (Grus americana) population, integrating classroom activities and …
An Individual Whooping Crane's Family History,
2010
Platte River Whooping Crane Maintenance Trust
An Individual Whooping Crane's Family History, Karine Gil, Felipe Chavez-Ramirez, Brian W. Johns, Thomas V. Stehn, Robin Silva
Proceedings of the North American Crane Workshop
Between 1977 and 1988, 12 cohorts (134 individuals) of whooping cranes (Grus americana) were banded in Wood Buffalo National Park (WBNP, Canada-breeding ground) and monitored from Canada to Aransas National Wildlife Refuge (ANWR, Texas-wintering ground). During 2004, historical data on banded individuals was analyzed to estimate population parameters and life table of the wild population. This study used information from one of the few banded cranes known to be alive in 2008 since 1978. A genealogy tree (Family Tree Maker software) was developed from individual RwR-nil to represent its descendents and relatives, as well as a map (GIS) …
Examination Of Opportunistically Collected Eggs Laid By Whooping Cranes In Florida,
2010
University of Florida
Examination Of Opportunistically Collected Eggs Laid By Whooping Cranes In Florida, Marilyn G. Spalding, Martin J. Folk, Stephen A. Nesbitt
Proceedings of the North American Crane Workshop
We examined 41 whooping crane (Grus americana) eggs or egg remains from 27 nests in the field (n = 4), in the laboratory (n = 33), or incubated by another pair (n = 1), or in captivity (n = 3). Eggs were collected because the nest was in danger (2 eggs, 1 nest), abandoned (5 eggs, 4 nests), or failed to hatch after 34 days (27 eggs, 16 nests), or they were removed for management purposes (5 eggs, 3 nests). Evidence of fertility was found in 18 eggs (12 nests, 44%) of 33 opened. The remainder were either …
The Direct Autumn Release Of Whooping Cranes Into The Eastern Migratory Population: A Summary Of The First Three Years,
2010
International Crane Foundation
The Direct Autumn Release Of Whooping Cranes Into The Eastern Migratory Population: A Summary Of The First Three Years, Marianne M. Wellington, Richard P. Urbanek
Proceedings of the North American Crane Workshop
This paper describes methods used in an experimental direct autumn release of captive produced whooping cranes (Grus americana) into a reintroduced migratory population in eastern North America. Eighteen chicks (4 in 2005, 4 in 2006, and 10 in 2007) were eventually released in the vicinity of adult whooping cranes or wild sandhill cranes (G. canadensis). Chicks were reared by costumed aviculturists using strict isolation-rearing techniques at the International Crane Foundation (ICF) and then transferred to Necedah National Wildlife Refuge in central Wisconsin. Initially, 23 chicks were transferred from ICF to Necedah at ages of 17-46 days. …
