6 Across, Excitable kitten beginning to rile hobbyist (7)
9 Across, Author making a mess of animal tale's ending (1,1,5)
11 Across, One-time carnivore's tense when returning game whilst on North American railway (11)
13 Across, 9 character,bizarrely, he went in around 1 - 16 not half (6-3-4)
Compiler - HIEROGLYPH
Many Thanks