“CPA gets round this problem in a really elegant way by, as the name suggests, getting the laser light to ‘chirp’. When we hear a bird chirp, it is producing a burst of sound the pitch of which ...

When it comes to the noises your cat makes when it sees birds or other small prey animals, they can usually be classified ...

No, in fact, quite the opposite — they probably gained a few brain cells by free-form soldering this beautiful chirping bird pendant at ... achieve the ideal chirp sound. As you can see in ...

Most cat parents are familiar with meows and purrs, but what about when your cat starts imitating the bluebird outside?