How antelopes under threat from the climate crisis have responded to rising temperatures frontiersin frontiersin
, migration, and behavior changes, but the most flexible response is changing their behavior. Animals may move into cooler areas within their territories or change their posture, change their times of activity or the amount of activity they do, pant or decrease their energy intake. All these ways of counteringimpose physical costs and have limitations, but we can't understand the trade-offs without first understanding how animals use them.
The team studied three species of antelope: small springbok, medium-sized kudu, and large eland. Springbok prefer open habitats and are highly mobile, while kudu favor woodland and travel less. Eland are also relatively mobile, occurring in a broad range of habits, and like springbok they are largely independent of water provided that there is sufficient moisture in their food.
The scientists fitted adult animals with collars containing accelerometers that measured their movements in the hottest periods of the year between 2019 and 2021. They cross-referenced this data with measurements recorded by a local weather station and maps that track the temperatures across the different species' ranges.The hotter temperatures affected springbok activity most.
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