A titmouse in the hand is better than a crane in the sky.
More Russian Proverbs:
Look for wind in a field.Russian
In the times of czar Goroch.
Russian
Either chest in crosses, or a head in bushes.
Russian
If you will not hear reason, she will surely rap your knuckles.
Russian
Crows are black the world over.
Russian
Do not carry rubbish out of your hut.
Russian