Pairing video with simple, lab-based oxygen measurements vastly expands the study of movement energy in ecology, physiology, and beyond Energy scarcity is a central driver of animal behavior and ...

Competitive swimmers know that swimming underwater causes less drag resistance than swimming at the surface. Splashing around making waves isn't the most efficient way to swim. Any energy spent ...

How does an ecosystem distribute its energy across body sizes? A new study suggests the answer depends on where you are—and how much humans have altered the landscape. Analyzing communities of birds ...

​Kangaroos are among the few animals that rely on hopping as their main form of movement. Their powerful hind legs, long tails and spring-like tendons help them travel quickly while using surprisingly ...

Strong methods do exist for measuring animal movement in the context of energy expenditure, but these are limited by the physical size of the equipment used. Now, in a paper published in the Journal ...

Energy scarcity is a central driver of animal behavior and evolution. The amazing diversity of life on this planet is a testament to the plethora of novel biological solutions to the problem of ...