Traces of air and body temperature in six hummingbird species in the Andes

Blair Wolf, Andrew McKechnie, Jonathan Schmitt, Zenon Czenze, Andrew Johnson & Christopher Witt
Torpor is thought to be particularly important for small endotherms occupying cold environments and with limited fat reserves to fuel metabolism. It remains mysterious why, among birds, torpor is both rare and variable in extent. We investigated torpor in a hummingbird community at ~3,800 m a.s.l. in the tropical Andes by monitoring body temperature (Tb) in 26 individuals of six species held captive overnight and experiencing natural air temperature (Ta) patterns. All species used pronounced...
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34 downloads reported since publication in 2020.

These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
What does this mean?