How to protect seedlings from birds

This may be a little late but still useful as there’s still time to sow seeds. Every year I encounter a big problem when I sow seeds: the birds eat my seedlings. It’s annoying as planting seeds is the hardest part of gardening, it takes the longest time. The only way that works for me is the physical barrier of some sorts. I tried sticking sticks into the ground around the seedlings before but the bigger birds would push these away. This year I’m using three types of protection: the shading net, the bird netting, and bottles. Yes, plastic bottles.  How do you protect your garden from birds?