Feisty PINE SISKEN Songbirds Defend Personal Boundaries while raiding Squirrel's food (Slow motion)
Slow motion of a few of the 100+ flock of wild PINE SISKEN (Spinus pinus) songbirds who visited our garden in south Yukon, Canada.  They quickly found the squirrel food depot, which keeps the squirrels from raiding our bird feeders.

Pine Siskens have fast reflexes and can move at blurring speeds.  Pine Siskens flock together but have definite boundaries for their individual personal space which they're quick to defend, especially when food is involved.  They are a nomadic species of irruptive winter finch and do not follow regular migration patterns.  Instead, they select their habitat based on food supply.  Pine Siskens have higher metabolic rates than similar song birds and can survive temperatures as low as -70C (-94F) by boosting their metabolism 500% for many hours during intense cold.
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