, ▁only ▁the ▁blue ▁wh ist ling ▁thr ush ▁typically ▁att ains ▁a ▁larger ▁size . ▁The ▁Am ami ▁thr ush ▁ranges ▁in ▁length ▁from ▁ ▁and ▁we igh s ▁approximately ▁. ▁Among ▁standard ▁measurements , ▁the ▁wing ▁ch ord ▁is ▁, ▁the ▁bill ▁is ▁ ▁and ▁the ▁t ars us ▁is ▁. ▁ ▁Be hav iour ▁and ▁e col ogy ▁Its ▁bre eding ▁habitat ▁is ▁m ature ▁subt rop ical ▁broad le aved ▁ever green ▁forest ▁around ▁hum id ▁valle ys . ▁Its ▁di et ▁includes ▁in verte br ates ▁and ▁fruit . ▁It ▁bre eds ▁in ▁May ▁and ▁June , ▁lay ing ▁ 3 - 4 ▁eggs . ▁ ▁Status ▁The ▁bre eding ▁population ▁is ▁estimated ▁by ▁Am ami ▁Or n ith olog ists ' ▁Club ▁( N PO , ▁Japan ) ▁all ▁over ▁the ▁island ▁every ▁late ▁March ▁since ▁ 1 9 9 9 . ▁ ▁References ▁ ▁External ▁links ▁Bird Life ▁Species ▁Fact sheet ▁ ▁Category : B ird s ▁described ▁in ▁ 1 9 0 5 ▁Category : B ird s ▁of ▁the ▁Ry uky u ▁Islands ▁Category : End em ic ▁birds ▁of ▁Japan ▁Category : Z o other a <0x0A> </s> ▁Win if red ▁Eth el ▁P enn - G askell ▁( 1 2 ▁November ▁ 1 8 7 4 ▁– ▁ 6 ▁November ▁ 1 9 4 9 ) ▁was ▁a ▁British ▁phil atel ist ▁who ▁in ▁ 1 9 3 8 ▁was ▁the ▁first ▁woman ▁to ▁be ▁added ▁to ▁the ▁Roll ▁of ▁Dist ingu