Extreme environments, such as the Arctic tundra, present profound physiological challenges to animal species due to sustained heat loss to frozen surfaces [6]. Penguins exhibit an ability to maintain thermal balance despite consistent contact with ice and having minimal insulation on their feet thus demonstrating an efficient biological adaptation that helps them manage heat [7]. The purpose of this study is to investigate the mechanisms penguins utilize to maintain thermal stability while standing on frozen surfaces for prolonged periods of time. A 3D, anatomically informed model of a penguin foot was developed in COMSOL utilizing accurate dimensions, tissue properties and physiological conditions along with realistic boundary conditions that represent that ice-foot interface and cold ambient air. This model employed a geometry that preserves the dominant thermal behavior associated with countercurrent heat exchange while representing metabolic heat with the Heat Equation and Navier-Stokes equations. Time-dependent simulations were conducted to analyze temperature distribution throughout the foot during prolonged exposure. Our study was additionally validated by comparing a measurement of the foot of the penguin collected experimentally with our model. We found that our model was able to produce data similar to experimental data in the same location. Our sensitivity analysis involved varying the inlet velocity and determining the net effect. This resulted in a model that demonstrates the limits of heat loss at the ice-foot interface. The model showed the impact of varying velocity on vessel temperature and skin temperature. By mimicking the thermal regulation strategies used by penguins our work may provide a foundation for the design of insulated footwear for humans operating in extreme cold conditions.