Susquehanna River Basin, Kelly Creek Bridge (Hike and Bike Bridge No. 1), Tioga-Hammond Lakes, Pennsylvania
Author | : United States. Army. Corps of Engineers. Baltimore District |
Publisher | : |
Total Pages | : |
Release | : 1995 |
Genre | : Bridges |
ISBN | : |
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Author | : United States. Army. Corps of Engineers. Baltimore District |
Publisher | : |
Total Pages | : |
Release | : 1995 |
Genre | : Bridges |
ISBN | : |
Author | : United States. Army. Corps of Engineers. Baltimore District |
Publisher | : |
Total Pages | : |
Release | : 2001 |
Genre | : Bridges |
ISBN | : |
Author | : United States. Army. Corps of Engineers. Baltimore District |
Publisher | : |
Total Pages | : |
Release | : 1995 |
Genre | : Bridges |
ISBN | : |
Author | : Wenfei Tong |
Publisher | : Princeton University Press |
Total Pages | : 465 |
Release | : 2020-03-24 |
Genre | : Nature |
ISBN | : 0691208905 |
A stunningly illustrated look at the mating and parenting lives of the world's birds Bird Love looks at the extraordinary range of mating systems in the avian world, exploring all the stages from courtship and nest-building to protecting eggs and raising chicks. It delves into the reasons why some species, such as the wattled jacana, rely on males to do all the childcare, while others, such as cuckoos and honeyguides, dump their eggs in the nests of others to raise. For some birds, reciprocal promiscuity pays off: both male and female dunnocks will rear the most chicks by mating with as many partners as possible. For others, long-term monogamy is the only way to ensure their offspring survive. The book explores the wide variety of ways birds make sure they find a mate in the first place, including how many male birds employ elaborate tactics to show how sexy they are. Gathering in leks to display to females, they dance, pose, or parade to sell their suitability as a mate. Other birds attract a partner with their building skills: female bowerbirds rate brains above beauty, so males construct elaborate bowers with twig avenues and cleared courtyards to impress them. Looking at the differing levels of parenting skills across species around the world, we see why a tenth of bird species, including the fairy-wrens of Australia, have helpers at the nest who forgo their own reproduction to assist the breeding pair; how brood parasites and their hosts have engaged in evolutionary arms races; and how monogamous pairs share—or relinquish—their responsibilities. Illustrated throughout with beautiful photographs, Bird Love is a celebration of the global diversity of avian reproductive strategies.
Author | : Gerald M. McWilliams |
Publisher | : Cornell University Press |
Total Pages | : 504 |
Release | : 2000 |
Genre | : Nature |
ISBN | : 9780801436437 |
With clear descriptions of physiographic regions as well as 44 breeding distribution maps for the most commonly seen birds and 67 photographs of many rare and hard-to-find species, this volume is a resource for all who wish to deepen their appreciation of Pennsylvania's birdlife."--Jacket.
Author | : Timothy W. Frost |
Publisher | : |
Total Pages | : |
Release | : 2019-05 |
Genre | : |
ISBN | : 9780931105081 |
Author | : United States. Army. Corps of Engineers. Baltimore District |
Publisher | : |
Total Pages | : |
Release | : 1986 |
Genre | : |
ISBN | : |
Author | : United States. Army. Corps of Engineers. Baltimore District |
Publisher | : |
Total Pages | : |
Release | : 1995 |
Genre | : Bridges |
ISBN | : |
Author | : KFH Group |
Publisher | : Transportation Research Board |
Total Pages | : 191 |
Release | : 2002 |
Genre | : Bus lines |
ISBN | : 0309067634 |
This report presents results of research conducted under Transit Cooperative Research Program (TCRP) Project B-21, "Effective Approaches to Meeting Rural Intercity Bus Transportation Needs." The project identified strategies for initiating, preserving, and enhancing effective rural intercity bus transportation. To identify recent projects and to identify barriers or issues affecting implementation, the research effort included surveys of state rural transit program managers, state rail program managers, and intercity bus carriers. The report includes three parts. Part I contains a review of recent developments affecting the intercity bus industry, an overview of potential funding sources, and a review of barriers to implementation of rural intercity projects. Part II provides strategies for rural intercity service improvements, including methods of identifying intercity carriers and services, planning, program development, operating assistance, capital assistance, marketing assistance, and combining approaches. Each strategy is described, and implementation examples are presented. Part III presents 50 project descriptions based on additional survey interviews with project contacts.
Author | : United States. Army. Corps of Engineers. Baltimore District |
Publisher | : |
Total Pages | : |
Release | : 1996 |
Genre | : Bridges |
ISBN | : |