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Shrews may grow bigger snouts in winter to cope with cold air, scientists say

Study of long-clawed shrew skulls from Japan shows that while skulls get smaller in winter, snouts elongate Humans turn to heated blankets and fluffy socks to cope with winter, but long-clawed shrews have a very different adaptation: they increase the size of their snouts. Researchers have previously discovered that certain small mammals, including the common shrew and European mole, reversibly shrink their body mass

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Ledger record
#373
First seen
19 Aug 2026, 09:10 UTC
Last checked
19 Aug 2026, 18:01 UTC
Version history
1 version
Current fingerprint
aaed4caac0a1...25d88b
01

Publisher layer

Recorded article metadata

Publisher
The Guardian
Country
England / United Kingdom
Source published
18 Aug 2026, 23:01 UTC
Source updated
No update timestamp supplied
Byline
Nicola Davis Science correspondent
Section
Wildlife
Source-supplied excerpt
Study of long-clawed shrew skulls from Japan shows that while skulls get smaller in winter, snouts elongate Humans turn to heated blankets and fluffy socks to cope with winter, but long-clawed shrews have a very different adaptation: they increase the size of their snouts. Researchers have previously discovered that certain small mammals, including the common shrew and European mole, reversibly shrink their body mass
02

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  1. 1
    Initial capture

    Shrews may grow bigger snouts in winter to cope with cold air, scientists say

    Study of long-clawed shrew skulls from Japan shows that while skulls get smaller in winter, snouts elongate Humans turn to heated blankets and fluffy socks to cope with winter, but long-clawed shrews have a very different adaptation: they increase the size of their snouts. Researchers have previously discovered that certain small mammals, including the common shrew and European mole, reversibly shrink their body mass

    Changed fieldstitlebylinedescriptionTextcontentTextsourcePublishedAtsourceUpdatedAtsectionimageUrltags
    Version SHA-256
    aaed4caac0a1...25d88b
    Capture SHA-256
    1abd1ae387f2...310803
03

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Publisher categories are copied from source metadata. Machine signals report observable wording or format and do not determine truth, intent, ethics, or wrongdoing.

  • machine content-type Reported news observable-rules-v1 / 70% rule confidence
  • publisher category Animal behaviour rss-category
  • publisher category Biology rss-category
  • publisher category Japan rss-category
  • publisher category Science rss-category
  • publisher category Wildlife rss-category
04

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Evidence layer

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Capture ID
#5
Observed
19 Aug 2026, 09:10 UTC
HTTP result
200 / parsed
Raw payload
460,971 bytes, private gzip evidence
Collector
news-ledger/0.1
Public boundary
metadata and excerpt