partner-contact/animal/views/menu.xml

<odoo>

    <!-- Main Menu -->
    <menuitem id="root"
              name="Animals"
              action="action_animal"
              sequence="10"
              web_icon="animal,static/description/icon.png"/>
    <menuitem id="animal"
              name="Animals"
              action="action_animal"
              sequence="10"
              parent="root"/>
    <menuitem id="config"
              name="Configuration"
              sequence="100"
              parent="root"
              groups="group_animal_manager"/>

    <!-- Configuration -->
    <menuitem id="settings"
              name="Settings"
              sequence="10"
              parent="config"/>
    <menuitem id="species"
              name="Species"
              action="action_animal_species"
              sequence="20"
              parent="config"/>
    <menuitem id="breed"
              name="Breeds"
              action="action_animal_breed"
              sequence="30"
              parent="config"/>
    <menuitem id="color"
              name="Colors"
              action="action_animal_color"
              sequence="40"
              parent="config"/>

</odoo>