Excitement: Your poodle may be shaking because she is excited to see you and anticipates getting a treat or food scraps.
Stress: Some dogs experience anxiety or stress when they see their owners eating because they feel excluded or deprived.
Attention seeking: Shaking can be a way for your poodle to attract your attention and encourage you to share your food.
Health issues: In some cases, shaking can be a sign of a medical problem, such as a neurological disorder or electrolyte imbalance.