The Brief Lincoln Park Zoo welcomed two five-month-old Mini Nubian goat brothers, Lincoln and Parker, to its Farm-in-the-Zoo exhibit. They join their one-year-old brothers, Billy and Gruff, and stand out with blue eyes and tan coats; Parker has darker front legs, while Lincoln is the smaller of the pair. Lincoln Park Zoo has two new kids on the block – a pair of five-month-old goat brothers, Lincoln and Parker. What we know:The brothers have made a home at the Farm-in-the-Zoo exhibit with their one-year-old brothers Billy and Gruff, who have been at the zoo since 2024, according to zoo officials. Image 1 of 6 ▼ (Lincoln Park Zoo)All four brothers are Mini Nubians, a breed known for its long, floppy ears.