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The National Audubon Society's annual Christmas Bird Count stars in this charming picture book, just right for young community scientists, bird watchers, and nature aficionados. A young girl and her mother participate as community scientists in the Christmas Bird Count. The girl is excited when Big Al, the leader of their team, asks her to record the tally this year. Using her most important tools―her eyes and ears―she eagerly identifies and counts the birds they observe on their assigned route around town. She and her team follow the rules, noting the time of day, the habitat, the birding ID techniques used for each sighting. Finally, they meet up with the other teams in the area to com...
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With over 70 species still populating the world's oceans after approximately 500 million years, hagfishes are essential benthic organisms that play a vital role in understanding the evolutionary origins of vertebrate life and the maintenance of the oceanic ecosystem. Hagfish Biology is a long overdue book for communicating and furthering study on t
Biology of Sharks and Their Relatives is an award-winning and groundbreaking exploration of the fundamental elements of the taxonomy, systematics, physiology, and ecology of sharks, skates, rays, and chimera. This edition presents current research as well as traditional models, to provide future researchers with solid historical foundations in shark research as well as presenting current trends from which to develop new frontiers in their own work. Traditional areas of study such as age and growth, reproduction, taxonomy and systematics, sensory biology, and ecology are updated with contemporary research that incorporates emerging techniques including molecular genetics, exploratory techniqu...
This book takes a detailed look at the complex area of young children's play as it is understood in the early twenty-first century, and in particular at the relationships between play, learning and teaching which are enacted in early childhood settings, across countries as different as England and the USA, Sweden and the Netherlands, Australia and New Zealand.
Over the last decade, the study of shark biology has benefited from the development, refinement, and rapid expansion of novel techniques and advances in technology. These have given new insight into the fields of shark genetics, feeding, foraging, bioenergetics, imaging, age and growth, movement, migration, habitat preference, and habitat use. This pioneering book, written by experts in shark biology, examines technologies such as autonomous vehicle tracking, underwater video approaches, molecular genetics techniques, and accelerometry, among many others. Each detailed chapter offers new insights and promises for future studies of elasmobranch biology, provides an overview of appropriate use...
Suppose you were designing a marine mammal. What would they need to live in the ocean? How would you keep them warm? What design features would allow them to dive for very long periods to extreme depths? Do they need water to drink? How would they minimize the cost of swimming, and how would they find their prey in the deep and dark? These questions and more are examined in detail throughout Marine Mammal Physiology, which explores how marine mammals live in the sea from a physiological point of view. This undergraduate textbook considers the essential aspects of what makes a marine mammal different from terrestrial mammals, beyond just their environment. It focuses on the physiological and ...
The gunmen rose from the crowd and set their sights on Malcolm X. The thunder of shotgun blasts ripped through the ballroom, and Betty Shabazz turned to see her husband float backward, keel over and crash to the ballroom stage. She grabbed her children, hurling them beneath a booth and shielding them with her body while the room erupted into screams and chaos. As she lay there squeezing her family, the Betty Shabazz who was the dutiful and obedient wife of the Civil Rights Movement's most feared leader ceased to be, and the woman who emerged would become one of the greatest heroines of our day. Betty Shabazz, Surviving Malcolm X is the first major biography of Dr. Betty Shabazz, the unsung a...