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Health & Science19h 23m ago
Burrowing owls grow bigger in the North, challenging Bergmann's rule which predicts larger body size in colder climates.
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North
Who
burrowing owls
What
Burrowing owls grow bigger in the North, challenging Bergmann's rule which predicts larger body size in colder climates.
When
Mon, 20 Jul 2026 05:02:43 GMT · 19h 23m ago
Where
North ·
Why
Early-life stress and short-term environmental shifts, in addition to evolutionary pressures, influence body size.
The Frontline Impact
How this affects you
This finding suggests that factors beyond evolutionary adaptation, such as environmental stress during development, play a significant role in determining animal body size.
Story chain
4 events in this thread- Currently Reading19h 23m agoBurrowing owls grow bigger in the North, challenging Bergmann's rule which predicts larger body size in colder climates.
- Health & Science19h 23m agoBurrowing owls grow bigger in the North, challenging Bergmann's rule which predicts smaller body sizes in warmer climates.Open article
- Health & Science19h 23m agoA new study suggests that Bergmann's rule, which posits that animals in colder climates tend to be larger, is influenced by early-life stress and short-term environmental shifts, not solely by evolution.Open article
- Health & Science19h 23m agoBurrowing owls grow bigger in the North, challenging the traditional understanding of Bergmann's rule.Open article