▁migr ating ▁birds ▁in ▁southern ▁Mexico . ▁Bird ▁Conserv ation ▁International ▁ 1 7 ( 1 ): ▁ 4 5 – 6 1 . ▁ ▁PDF ▁full text ▁ ▁Hil ty , ▁Steven ▁L . ▁( 2 0 0 3 ): ▁Bird s ▁of ▁Venezuela . ▁Christopher ▁Hel m , ▁London . ▁▁ ▁St iles , ▁F . ▁Gary ▁& ▁Sk utch , ▁Alexander ▁Frank ▁( 1 9 8 9 ): ▁A ▁guide ▁to ▁the ▁birds ▁of ▁Costa ▁Rica . ▁Com ist ock , ▁I th aca . ▁ ▁External ▁links ▁ ▁War bling ▁V ire o ▁Species ▁Account ▁- ▁Corn ell ▁Lab ▁of ▁Or n ith ology ▁War bling ▁V ire o ▁- ▁V ire o ▁g il v us ▁- ▁US GS ▁Pat ux ent ▁Bird ▁Ident ification ▁Info Center ▁▁▁▁▁ ▁Category : V ire o ▁( gen us ) ▁V ire o , ▁War bling ▁V ire o , ▁War bling ▁V ire o , ▁War bling ▁V ire o , ▁War bling ▁V ire o , ▁War bling ▁Category : B ird s ▁described ▁in ▁ 1 8 0 8 <0x0A> </s> ▁J af ar ▁Khan ▁or ▁J af ar ▁Khan ▁Z and , ▁the ▁sevent h ▁sh ah ▁( king ) ▁of ▁the ▁Z and ▁dynast y ▁from ▁ 1 7 8 5 ▁to ▁ 1 7 8 9 . ▁ ▁It ▁may ▁also ▁refer ▁to : ▁J af ar ▁Khan ▁Jam ali ▁( 1 9 1 1 – 1 9 6 7 ), ▁prominent ▁politician , ▁trib