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Health & Science18h 18m ago
Burrowing owls grow bigger in the North, challenging the traditional understanding of Bergmann's rule.
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North
Who
burrowing owls
What
Burrowing owls grow bigger in the North, challenging the traditional understanding of Bergmann's rule.
When
Mon, 20 Jul 2026 05:02:43 GMT · 18h 18m ago
Where
North ·
Why
Size variation is driven not only by evolution, but also by early-life stress and short-term environmental shifts.
The Frontline Impact
How this affects you
This finding suggests that factors beyond long-term evolutionary adaptation, such as immediate environmental conditions and developmental stress, play a significant role in animal size variation.
Story chain
4 events in this thread- Health & Science18h 18m agoBurrowing owls grow bigger in the North, challenging Bergmann's rule which predicts larger body size in colder climates.Open article
- Health & Science18h 18m agoBurrowing owls grow bigger in the North, challenging Bergmann's rule which predicts smaller body sizes in warmer climates.Open article
- Health & Science18h 18m 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
- Currently Reading18h 18m agoBurrowing owls grow bigger in the North, challenging the traditional understanding of Bergmann's rule.