Black Throated Bushtit - The Black-throated Bushtit also known as the Black-throated Tit, is a very small passerine bird in the family Aegithalidae.The Black-throated Bushtit is a small passerine, around 10.5 cm long and weighing 4-9 g. All subspecies have a medium length tail a black throat &amp; black &#x27;bandit mask&#x27; around the eye. The nominate race has a chestnut cap, breast band and flanks &amp; dark grey back, wings and tail &amp; a white belly.