app/views/collection_object_observations/_form.html.erb
<%= form_for(@collection_object_observation) do |f| %>
<%= render 'shared/errors', object: @collection_object_observation %>
<div class="field">
<%= f.label :data %><br>
<%= f.text_area :data, rows: 30, cols: 50 %>
</div>
<div class="actions">
<%= f.submit %>
</div>
<% end %>