The journey starts when they begin to smile, let loose that first little giggle, sit up all by themselves, take their first wobbly steps, and then, before you realize it, they begin to run. (breastfeedingtoday-llli.org)
My little guy just weaned 2 months ago at about 27 mths, and although I was ready for our breastfeeding to come to an end, there are times when I do miss stroking his little head while he nursed, or the funny little giggles we would share while he was at the breast. (attachmentparenting.org)
Ferrets may also puff up their tail and make little giggling like sounds (dooking) to show they are having a great time, some even wag their tails! (vetbabble.com)