Great Tits, like this male this morning, can be seen feeding their newly fledged young all over the UK at present, so keep your eyes peeled. The most studied species of birds in the world, one researcher has calculated that the Great Tit parents feed a nest of fledglings the equivalent of us bringing home 100kg’s of shopping every day for three weeks! The bright, wide gape and mouth helps stimulate the adults to feed the young. Even out of the nest, the young birds are demanding. Conditions: Hot and sunny. Temperature: Max 21- Min 12 ..