Las focas comunes son mamíferos marinos alargados con un cuerpo ovalado de hasta casi 2 metros de largo. Sus extremidades están ocultas debajo del cuerpo y mantiene extendidas solo las manos y los pies, o aletas, palmeadas. Tienen la cabeza redonda sin orejas salientes y un hocico corto con orificios nasales en forma de V.
OBSERVACIONES
Las focas comunes pasan la mitad de su vida en el agua. ...
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