Hummingbirds may struggle to go any further uphill

Any animal ascending a mountain experiences a double whammy of impediments: The air gets thinner as it also becomes colder, which is particularly problematic for creatures struggling to keep warm when less oxygen is available. ...

Canadian poultry farmers fearful of avian flu strain

Canadian poultry farmers are facing fear and stress as a highly pathogenic strain of H5N1 avian influenza is currently circulating in both wild and domestic flocks across North America.

Increase in atmospheric methane set new record in 2021: NOAA

For the second year running, US scientists observed record increases in the atmospheric concentration of the potent greenhouse gas methane, the National Oceanic and Atmospheric Administration (NOAA) said Thursday.

How baboons keep healthy family boundaries

Finding love in a small isolated place can be tough when everyone is a familiar face, or when half the dating pool is already out because they're all close relatives.

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