Treecreeper

Treecreeper

Scientific name: Certhia familiaris

Did you know: Treecreepers are known for their unique spiralling upward climb on tree trunks, a behaviour that sets them apart from many other bird species!

What Do Treecreepers Look Like? (how to identify them)

Treecreepers are petite and nimble birds, distinguishable by their slender, downward-curved bills, ideal for foraging insects under the bark. Their upper bodies are a tapestry of speckled brown, perfectly camouflaged against tree trunks, while their undersides are predominantly white. 

They possess a distinctive white stripe above their eye, adding to their characteristic appearance.

Differences Between Male And Female Treecreepers

Visually distinguishing between male and female Treecreepers can be quite a challenge, as they share similar plumage. Both genders exhibit the same intricate patterns and colours, making them almost indistinguishable to the untrained eye.

What Do Treecreepers Eat?

Treecreepers have a diet primarily consisting of insects and spiders, skillfully extracted from beneath bark with their long, sharp beaks. During the sparse winter months, they adapt by including seeds in their diet, demonstrating their resourcefulness.

Where Do Treecreepers Live? (inc. migration info)

Treecreepers are residents of the UK, thriving in a range of habitats from woodlands to urban areas. Although they are known to leave their breeding territories in autumn, their migration is quite limited, often not exceeding 20 km. Their population in the UK is stable, with an estimated 200,000 breeding territories.

Bird Calls & Songs (the unique voices of Treecreepers)

The vocalisations of Treecreepers are as distinctive as their physical characteristics. Their calls and songs are high-pitched and thin, often echoing through the woodlands they inhabit.

Fun Treecreeper Facts (kid-friendly)

  • Treecreepers can only climb up trees, never down!
  • They nest in crevices, using materials like spider webs and grass.
  • A group of Treecreepers is known as a ‘spiral.’
  • They join flocks of tits in autumn and winter for foraging.
  • Treecreepers have long toes with curved claws, perfect for gripping tree bark.
  • Their stiff tail feathers provide extra support while climbing.
  • Treecreepers are often mistaken for small mice due to their climbing style.
  • They have an average lifespan of about 2 years in the wild.
  • The white eyestripe is a key feature in identifying Treecreepers.

Facts About The Treecreeper

Diet: Insects and spiders, and some seeds in winter.
Bird Family: Treecreepers
Length: 12.5cm
Wingspan: 18-21cm
Weight: 8-12g
Scientific Name: Certhia familiaris

The Treecreeper Can Be Seen In The UK During The Following Months

  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December

Treecreeper Images

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Male
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Female
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Hatchling
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Nestling
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Chick
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Fledgling
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Juvenile