Cover
Title Page
Copyright
Contents
Preface
Atoms, Earth History, and the Evolution of Life
On to the Vertebrates
Greening of the Earth
The Basics
The Evolutionary History of Flowering Plants
The Evolutionary History of Birds
The Evolutionary History of Mammals
An Overview of Hummingbird Diversity and Evolution
The Emergence of Swifts and Hummingbirds
A Comparison of Modern Hummingbirds and Swifts: or, How Different Have They Become in Forty-Two Million Years?
Why Is Their Small Size So Important?
The Consequences of Being an Endotherm
How High Are the Metabolic Rates of Hummingbirds Compared with Other Birds and Mammals?
How Hummingbirds Meet Their Oxygen Needs
The Challenges of Living at High Elevations
Hummingbird Wings and How They Hover
Hummingbird Feathers: All that Glitters . . .
A Tale of Hummingbird Tails
How Hummingbirds Harvest Food
Water, Water Everywhere: The Water Economy of Hummingbirds
How Do Hummingbirds Perceive Their World?
Hearing and Vocalizations
Brains and Sound Reception
Putting It All Together, Part 1: Voices, Tails, and Wings as Communication “Instruments”
Putting It All Together, Part 2: The Cognitive Abilities of Hummingbirds
Additional Hummingbird Senses: Smell and Taste
Hummingbird Foraging Behavior: Optimal or Not?
Migration: Hummingbirds on the Move
How Hummingbirds Make Babies
Hummingbirds in a Community Context: How Important Is Competition for Food?
Conclusions
An Overview of Nectar Bat Diversity and Evolution
Comparison of Nectar Bats and Their Ancestors
First Things First: The Morphological Nuts and Bolts of Being a Bat
How Nectar Bats Hover
Metabolic Consequences of Size, Diet, and Hovering
Water, Water Everywhere Redux
Bat Brains and Vision
How Important Is Scent to These Bats?
Putting It All Together
How Do Nectar Bats Feed?
How Do Nectar Bats Make Babies?
What’s Their Gregarious Lifestyle Like? How Social Are Nectar Bats?
How Does the Community Structure of Nectar Bats Compare with That of Hummingbirds?
Conclusions
5. Putting These Vertebrates and Their Food Plants Together
Phylogenetic Distribution of These Pollination Modes
Evolutionary Transitions from Insect to Vertebrate Pollination
How to Make a Flower
Floral Developmental Genetics
Flower Color
Floral Scents
Flower Acoustic Features
When to Flower—FloweringPhenology
Genetic Consequences of Vertebrate Pollination
What is Coevolution?
Putting It All Together Again: Case Studies of the Evolution of Hummingbirds, Nectar Bats, and Their Flowers
Wrapping It All Up
Overview of Diversity, Distribution, and Evolution of These Vertebrates
Sunbirds
Honeyeaters
Flowerpeckers and Lorikeets
Nectar Bats
Bird Flowers
Bat Flowers
Genetic Consequences of Paleotropical Vertebrate Pollination
7. Conservation of These Mutualisms
8. A Final Wrap-Up
Acknowledgments
Glossary of Scientific Names
Notes
Bibliography
Index
About the Author