On September 20, 2011, “Record” label released “My Head Is an Animal”, the debut Of Monsters and Men studio album. It was recorded in March 2011 – January 2012, at “Studio Studio Syrland” in Vatnagarðar, Reykjavík, and was produced by Aron Arnarsson, Jacquire King, Arnar Rósenkranz Hilmarsson, Árni Guðjónsson, Brynjar Leifsson,  Kristján Páll Kristjánsson, Nanna Bryndís Hilmarsdóttir and Ragnar Þórhallsson.

Personnel:

• Nanna Bryndís Hilmarsdóttir – vocals, acoustic guitar, artwork, design
• Ragnar Þórhallsson – vocals, acoustic guitar, artwork, design
• Brynjar Leifsson – electric and baritone guitar
• Árni Guðjónsson – accordion, piano, organ
• Kristján Páll Kristjánsson – bass guitar
• Arnar Rósenkranz Hilmarsson – drums, percussion, artwork, design
• Ari Bragi Kárason – trumpet
• Ragnhildur Gunnarsdóttir – trumpet
• Bergrún Snæbjörnsdóttir – French horn
• Aron Arnarsson – engineer, mixing 
• Styrmir Hauksson – mastering

Track listing:

1. Dirty Paws – Nanna Bryndís Hilmarsdóttir, Ragnar Þórhallsson
2. King and Lionheart – Nanna Bryndís Hilmarsdóttir
3. Numb Bears – Ragnar Þórhallsson, Arnar Rósenkranz Hilmarsson
4. Sloom – Nanna Bryndís Hilmarsdóttir, Ragnar Þórhallsson, Arnar Rósenkranz Hilmarsson
5. Little Talks – Nanna Bryndís Hilmarsdóttir, Ragnar Þórhallsson
6. From Finner – Nanna Bryndís Hilmarsdóttir, Ragnar Þórhallsson, Arnar Rósenkranz Hilmarsson, Brynjar Leifsson
7. Six Weeks – Ragnar Þórhallsson, Arnar Rósenkranz Hilmarsson
8. Love Love Love – Nanna Bryndís Hilmarsdóttir
9. Your Bones – Ragnar Þórhallsson
10. Lakehouse – Nanna Bryndís Hilmarsdóttir, Ragnar Þórhallsson, Brynjar Leifsson
11. Yellow Light (includes hidden song Sinking Man) – Ragnar Þórhallsson