1971 Pipilo fuscus 4 April Queensld Berkeley 55.3 ♂ 1st-year Testes 11 mm. cloaca end of rud? 51.0 8 1st-year Testes 11 mm. cloaca only slightly enl? 5 April ♂ ad? Testes 10 mm. cloaca only slightly enlarged No pat Sunday p.m. 2 2-celled traps put in DR garden. Browsed, two birds caught both proving to be first-year and males! Testes of same size, but cloacal development [illegible] in the 55.3 bird twice that in the 51.0 bird. [On Saturday], giving display seen by bird on fence, but then so noisy to know this was being done by one of the two caught. Display: puffing & spreading of body feathers, head up, tail waving stiffly, giving off chatter. A soft pair-communication sequence was given after the conclusion of the display, as the bird assumed normal posture. The male adult (53.9) taken on the Sun was trapped in the morning by 9 a.m. There was way of knowing exactly where it came from - as no doubt it was undoubtedly locally settled. Throughout the time the bird was trapped while I got it out, and until I left, there was a persistent - and exceptional - chirping (not singing) by a brown towhee across the