Field guide to the most commonly encountered mammals and birds

Here, we provide some basic information regarding commonly observed species (plus some others about which we have had queries).  

Feel free to contact us by email if you have any questions regarding species you have encountered on the site.

For more information about mammals, we recommend the Mammal Society's species hub, here. For birds, excellent resources are available from the RSPB (here) and the BTO (here).

 

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Blue Tit (Eurasian)

(C) Michal_Kucharski (shared under a CC BY-NC-ND 2.0 license)

 

Scientific Name: Cyanistes caeruleus

Appearance: Smaller than great tit. Bright blue cap to crown, surrounded by white. Deep blue line through eye extending to back of head, collar and chin, with white cheeks. Green back and pale yellow underparts with thin, dark central streak. Blue wings display single white bar in flight. Sexes alike, although blues deeper in male on average.

Song: Rather simple, with clear, high opening notes followed by lower, slurred trill, tsee-tsee-tsee-tsisisisisi.

When heard: Resident. Males sing from February through to the end of the breeding period in June.

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