I've made a small tutorial - Wire wrapped "curly" beads
For two small beads (15mm long) you will need about 3 meters (9-10 feet) of 24ga (0.6mm) full hard or half hard wire.
Make about 18cm (7 inches) of coil. Stretch it to 5-6 feet long "wave", cut in half. Each 3 feet (80-90cm) of wavy wire will make one bead. You may harden the wave with a mallet if you wish. And just coil the wavy wire around a needle making a bead. Hide the end of a wire inside the bead.
You've made your nests! Have fun with them!;)
Some explanation in Russian I published in wire wrapping community -
here Сделала урок по медным "гнездышкам". Подробные объяснения на русском в
wire_ru -
тут