Weight: 15 lbs 14 oz (50-75th percentile)
Height: 25.5 inches (50-75th percentile)
Head circumference: 42.8 cm (70-90th percentile)
Compare to JJ's 4-month stats.
Other stuff Wesley is up to: laughing, squealing, continuing to roll over (belly to back), reaching for toys, jamming everything in his mouth, and being very interested in his brother.
Some recent pictures of the boys:
Backyard pool time
Mini ice cream cone treat
Opening a gift from Nana
Bro snuggle time