air bubble crop

my 20 day old baby finch is making clicking sound and breathing with its mouth. And today in the morning its sack was also full of air, i gently massaged the air out. it was also trying to regurgitated. Please help me out, there are no vet clinic in my area.

My budgie was born 3 days ago. I use a syringe to feed it. I feed it 0.2-0.4ml each feed every 2-3 hours. There is an air bubble in its crop since 2 days ago. It seems getting bigger since last night. I fed it every 2-3 hours for about 0.2-0.4ml each feeding. Would you please let me know how to...