Fig. 2From: Advances in biologging can identify nuanced energetic costs and gains in predatorsA timeline of key developments facilitating insights into animal energetics. Note all references refer to studies of animal ecology, rather than use of these tools in other fields (e.g., engineering, physics, robotics). Figure references can be found in the reference list as entries [98,99,100,101, 106, 122, 125,126,127,128,129,130,131]Back to article page