I monitored breeding pairs of Zebra Finches (Taeniopygia guttata) in an experiment to see if stress -- adjusting food quality in this case -- could alter hormones enough to influence clutch sex ratio. My responsibilities were to care for and pair birds, sex and tag fledgelings, and record clutch size and any deaths. I also helped draw blood from females for hormone analysis and recorded their health by measuring weight and tarsometatarsus length.
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