TY  - JOUR
T1  - Does intruder group size and orientation affect flight initiation distance in birds?
AU  - Geist, C.
AU  - Liso, J.
AU  - Libby, S.
AU  - Blumstein, D. T.
PY  - 2005
VL  - 28
IS  - 1
JF  - Animal Biodiversity and Conservation