# Eurasian Blue Tit

*Cyanistes caeruleus*

Blue Tits are famous for their intelligence; they once learned how to peck through the foil caps of milk bottles delivered to doorsteps to drink the cream.

- **Taxonomy:** Animalia › Chordata › Aves › Passeriformes › Paridae › Cyanistes
- **IUCN Red List status:** Least Concern
- **Population trend:** increasing
- **Biome:** forest
- **Habitat:** Deciduous and mixed woodlands, orchards, parks, and suburban gardens.
- **Diet:** Mainly insects and spiders during summer; seeds, nuts, and berries in winter.
- **Range:** Europe, Western Asia, North Africa
- **Size:** 11-12 cm length, 18-20 cm wingspan
- **Lifespan:** 3 years average
- **Active:** diurnal
- **Threats:** Habitat fragmentation, pesticide use reducing food sources, and predation by domestic cats.
- **Safe to approach?:** Harmless and pleasant to observe. Maintain a respectful distance from nesting boxes. If found in your garden, they are safe to watch; if you find a fledgling on the ground, leave it be as parents are likely nearby. If an adult is injured, contact a local wildlife rehabilitator.

## About

The Eurasian blue tit ( Cyanistes caeruleus ) is a small passerine bird in the tit family Paridae. It is easily recognisable by its blue and yellow plumage and small size.

## Sources

- Plate: https://gaia-dex.com/species/617c8da2-d1a9-4649-8f04-48722e1d9f5a
- iNaturalist: https://www.inaturalist.org/taxa/144849
- Wikipedia: https://en.wikipedia.org/wiki/Cyanistes caeruleus
- Conservation status: IUCN Red List category, as recorded by Gaia-Dex
- Photo: https://inaturalist-open-data.s3.amazonaws.com/photos/405357242/medium.jpg (Bengt Nyman, CC-BY, via iNaturalist)

Habitat, diet, size and similar notes are AI-written summaries; check them against the linked sources before relying on them.