1. P. Beier, 1995 .Dispersal of juvenile cougars in fragmented habitat .J Wildlife Manage,59:228 -37 .
2. DJ Bender, EM Bayne, and RM Brigham .1996 .Lunar condition influences coyote (Canis latrans) howling .Am Midl Nat,136:413 -17 .
3. F. Bergen, and M. Abs .1997 .Etho-ecological study of the singing activity of the blue tit (Parus caeruleus), great tit (Parus major) and chaffinch (Fringilla coelebs) .J Ornithol,138:451 -67 .
4. D. Blake, AM Hutson, and PA Racey .1994 .Use of lamplit roads by foraging bats in southern England .J Zool,234:453 -62 .
5. BW Buchanan .1993 .Effects of enhanced lighting on the behaviour of nocturnal frogs .Anim Behav,45:893 -99 .