Marshall, 1941 - 2 Hylocharis lenocis pygmaea Dec 25 Mt Cacaguatique, Dept Morazan, El Salvador Abundant especially along boundary betw. fence & edge forest. While flying & perched gives series of explosive calls - clicks almost rattle. Coll saw a male which was singing pu-seek, pu-seek' pu seck pu seek pu seek Taking about 2.5 sec. Coll J, testes rather large i: singing & gonads indicate still breeding. Jan 15 J 1760 taken in thin low oak growth on East ridge where a "pocket" of these hummers - all J's chasing each other & giving only the "seek" call. Dec 25 Jan 16 Summary: Abundant but not evenly distributed - in certain places along edge of fence & oaks would hear J's singing every time passed that those spots - or "pockets" here & there as in humid brush at top of ridge, in thin oaks Jan 15. Here there would be many in a group. 1st 2 weeks J's were still giving full song - later not singing or giving only last syllable.