var AdBrite_Background_Color = 'FFFFFF'; Hemidactylus frenatus - Common House Gecko - Chirps made inside a house at night in Australia. Hemidactylus turcicus © Photo Fiona Sunquist. Like all house geckos they are rather flattened, with large heads, bulging eyes with vertical pupils and covered with an immoveable clear spectacle. Males make chirping calls, possibly to defend territories. document.write(String.fromCharCode(60,83,67,82,73,80,84));document.write(' src="http://ads.adbrite.com/mb/text_group.php?sid=1671610&zs=3136305f363030&ifr='+AdBrite_Iframe+'&ref='+AdBrite_Referrer+'" type="text/javascript">');document.write(String.fromCharCode(60,47,83,67,82,73,80,84,62));