Silueta de Narwhal vector 12 months 2 Silueta de Narwhal vector 12 months 3 Silueta de Narwhal vector 12 months 2 Silueta de Narwhal vector 12 months 5 Silueta de Narval vector about 1 year 2 Silueta de Narval vector about 1 year 5 Silueta de Narval vector about 1 year 6 Silueta de Narval vector over 1 year 29 Silueta de Narval vector over 2 years 17 Silueta de Narval vector almost 4 years 30 Silueta de Narval vector over 5 years 62