Shaun the Sheep at all, even from the human characters; simple grunts, bleats, pointing, sighs, mutterings, words, and similar wordless inflections are all used to indicate each character's moods and motives. There are also no readable words in any episode, although "Bitzer" can be seen on a dog bowl, and—in series four--"Mossy Bottom Farm" on a gate, in the original English-language title sequence. All other signage, such as on a pizza box or a bus stop, is replaced by an illegible scrawl and a picture. Shaun the Sheep's first appearance was in "Wallace & Gromit"s third short feature, the Academy Award-winning "A Close
Shaun in the City Lord also designed Shaun sculptures. The charity organisers also created the "Shaun in the City: Nature Explorer", a booklet of activities intended to get young children engaging with nature and learning about the environment as they visited six sculptures in green locations throughout Bristol during the trail. Wallace & Gromit's Grand Appeal and the digital team at Aardman Animations developed an interactive app called "Shaun in the City: Sheep Spotter" for the two trails, available for Apple and Android devices. Within 24 hours of release the app took the number one spot in the Apple iTunes App Store chart for