, ▁and ▁sal ine - indu ced ▁mort ality . ▁G os lings ▁are ▁sus cept ible ▁to ▁sal ine - indu ced ▁mort ality ▁before ▁their ▁nas al ▁salt ▁g lands ▁become ▁functional , ▁with ▁the ▁majority ▁occurr ing ▁before ▁the ▁sixth ▁day ▁of ▁life . ▁ ▁D ise ase ▁Canada ▁ge ese ▁are ▁sus cept ible ▁to ▁av ian ▁bird ▁fl us , ▁such ▁as ▁H 5 N 1 . ▁A ▁study ▁carried ▁out ▁using ▁the ▁H PA I ▁virus , ▁a ▁H 5 N 1 ▁virus , ▁found ▁that ▁the ▁ge ese ▁were ▁sus cept ible ▁to ▁the ▁virus . ▁This ▁proved ▁useful ▁for ▁monitoring ▁the ▁spread ▁of ▁the ▁virus ▁through ▁the ▁high ▁mort ality ▁of ▁inf ected ▁birds . ▁Prior ▁expos ure ▁to ▁other ▁vir uses ▁may ▁result ▁in ▁some ▁resistance ▁to ▁H 5 N 1 . ▁ ▁Rel ations hip ▁with ▁humans ▁ ▁In ▁North ▁America , ▁non m ig rat ory ▁Canada ▁go ose ▁populations ▁have ▁been ▁on ▁the ▁rise . ▁The ▁species ▁is ▁frequently ▁found ▁on ▁golf ▁courses , ▁par king ▁lots , ▁and ▁urban ▁par ks , ▁which ▁would ▁have ▁previously ▁hosted ▁only ▁mig rat ory ▁ge ese ▁on ▁rare ▁occasions . ▁O wing ▁to ▁its ▁adapt ability ▁to ▁human - alter ed ▁areas , ▁it ▁has ▁become ▁one ▁of ▁the ▁most ▁common ▁water f ow l ▁species ▁in ▁North ▁America . ▁In ▁many ▁areas , ▁non m ig rat ory ▁Canada ▁ge ese ▁are ▁now ▁regarded ▁as ▁p ests ▁by ▁humans . ▁They ▁are