diff --git a/src/fellchensammlung/migrations/0039_alter_rescueorganization_last_checked.py b/src/fellchensammlung/migrations/0039_alter_rescueorganization_last_checked.py
new file mode 100644
index 0000000..7813595
--- /dev/null
+++ b/src/fellchensammlung/migrations/0039_alter_rescueorganization_last_checked.py
@@ -0,0 +1,18 @@
+# Generated by Django 5.1.4 on 2025-03-09 16:44
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('fellchensammlung', '0038_rescueorganization_last_checked'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='rescueorganization',
+            name='last_checked',
+            field=models.DateTimeField(auto_now_add=True, verbose_name='Datum der letzten Prüfung'),
+        ),
+    ]
diff --git a/src/fellchensammlung/models.py b/src/fellchensammlung/models.py
index 7c44057..ac18e2a 100644
--- a/src/fellchensammlung/models.py
+++ b/src/fellchensammlung/models.py
@@ -122,7 +122,7 @@ class RescueOrganization(models.Model):
     website = models.URLField(null=True, blank=True, verbose_name=_('Website'))
     updated_at = models.DateTimeField(auto_now=True)
     created_at = models.DateTimeField(auto_now_add=True)
-    last_checked = models.DateTimeField(verbose_name=_('Datum der letzten Prüfung'))
+    last_checked = models.DateTimeField(auto_now_add=True, verbose_name=_('Datum der letzten Prüfung'))
     internal_comment = models.TextField(verbose_name=_("Interner Kommentar"), null=True, blank=True, )
     description = models.TextField(null=True, blank=True, verbose_name=_('Beschreibung'))  # Markdown allowed
     external_object_identifier = models.CharField(max_length=200, null=True, blank=True,
@@ -161,6 +161,10 @@ class RescueOrganization(models.Model):
         time_since_last_checked = timezone.now() - self.last_checked
         return time_since_as_hr_string(time_since_last_checked)
 
+    @property
+    def species_urls(self):
+        return SpeciesSpecificURL.objects.filter(organization=self)
+
 
 # Admins can perform all actions and have the highest trust associated with them
 # Moderators can make moderation decisions regarding the deletion of content