Children across Wales have been learning how to tell their sparrows from their starlings today as part of the RSPB's biggest wildlife survey.
It marks the start of the charity's Big Schools' Birdwatch, which records the types of birds found in and around school grounds.
Sarah Powell went along to a school in the Vale of Glamorgan to see if she could spot any!
The RSPB's Big Schools' Birdwatch forms part of this year's Big Garden Birdwatch - the world's biggest wildlife survey.
As the RSPB's birdwatch survey gets underway, here's a guide to how you can spot some of the most common garden birds.