Thick-billed Euphonia

The thick-billed euphonia is about 10 cm (3.9 in) long and weighs 13 to 16.5 g (0.46 to 0.58 oz). It is a small euphonia with one of the thicker bills of all euphonias, though it is not dramatically larger than the others'. The species is sexually dimorphic. Adult males of the nominate subspecies E. l. laniirostris have a bright yellow forehead; the patch extends slightly past the eye. The rest of their crown and their face, nape, and upperparts are glossy blue-black. Their upperwing coverts and flight feathers are dusky with a dark blue tinge. Voice: The thick-billed euphonia is rather vocal and a good mimic of other birds' vocalizations. Its song is "highly variable, a choppy series of call notes mixed with whistles, warbles, and piercing notes". Another description is "a long rambling series of original notes and mimicked notes of other birds". Its calls include " loud, sharp, whistled preet!