They are robust, seed-eating birds with strong bills. The family ranges in size from the 12-cm (4.7-in), 11.5-g (0.40-oz) and up orange-breasted bunting to the 25-cm (9.8-in), 85-g (2.99-oz) black-headed saltator. They are typically associated with open woodland. The sexes usually have distinctive appearances.
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These tests will help determine if there is a chocolate/caffeine overdose. Blood can also be taken to test for theobromine concentrations, while an ECG is performed to help determine if the heart is showing any abnormalities in rhythm or conduction of heart beats. 1  1. 2  2.