diff --git a/app/bird/admin.py b/app/bird/admin.py
index f62e0ed..5b19e87 100644
--- a/app/bird/admin.py
+++ b/app/bird/admin.py
@@ -7,6 +7,7 @@ from .models import Bird, FallenBird, BirdStatus, Circumstance
 class FallenBirdAdmin(admin.ModelAdmin):
     list_display = [
         "bird",
+        "age",
         "date_found",
         "place",
         "created",
diff --git a/app/bird/forms.py b/app/bird/forms.py
index 11a301e..c7b31b7 100644
--- a/app/bird/forms.py
+++ b/app/bird/forms.py
@@ -22,6 +22,7 @@ class BirdAddForm(forms.ModelForm):
         fields = [
             "bird_identifier",
             "bird",
+            "age",
             "date_found",
             "place",
             "find_circumstances",
@@ -30,6 +31,7 @@ class BirdAddForm(forms.ModelForm):
         labels = {
             "bird_identifier": _("Kennung"),
             "bird": _("Vogel"),
+            "age": _("Alter"),
             "date_found": _("Datum des Fundes"),
             "place": _("Fundort"),
             "find_circumstances": _("Fundumstände"),
diff --git a/app/bird/models.py b/app/bird/models.py
index 7c18e25..4761a8e 100644
--- a/app/bird/models.py
+++ b/app/bird/models.py
@@ -10,27 +10,36 @@ from aviary.models import Aviary
 from rescuer.models import Rescuer
 
 
+CHOICE_AGE = [
+    ("Ei", "Ei"),
+    ("Nestling", "Nestling"),
+    ("Ästling", "Ästling"),
+    ("Adult", "Adult"),
+]
+
+
 def costs_default():
     return [{"date": date.today().strftime("%Y-%m-%d"), "cost_entry": "0.00"}]
 
 
 class FallenBird(models.Model):
     id = models.UUIDField(primary_key=True, default=uuid4, editable=False)
-    bird_identifier = models.CharField(
-        max_length=256, verbose_name=_("Kennung"))
+    bird_identifier = models.CharField(max_length=256, verbose_name=_("Kennung"))
     bird = models.ForeignKey(
         "Bird", on_delete=models.CASCADE, verbose_name=_("Patient")
     )
+    age = models.CharField(
+        max_length=15,
+        choices=CHOICE_AGE,
+        verbose_name=_("Alter")
+    )
     date_found = models.DateField(verbose_name=_("Datum des Fundes"))
     place = models.CharField(max_length=256, verbose_name=_("Ort des Fundes"))
-    created = models.DateTimeField(
-        auto_now_add=True,
-        verbose_name=_("angelegt am"))
-    updated = models.DateTimeField(
-        auto_now=True, verbose_name=_("geändert am"))
+    created = models.DateTimeField(auto_now_add=True, verbose_name=_("angelegt am"))
+    updated = models.DateTimeField(auto_now=True, verbose_name=_("geändert am"))
     find_circumstances = models.ForeignKey(
-        "Circumstance", on_delete=models.CASCADE,
-        verbose_name=_("Fundumstände"))
+        "Circumstance", on_delete=models.CASCADE, verbose_name=_("Fundumstände")
+    )
     diagnostic_finding = models.CharField(
         max_length=256, verbose_name=_("Diagnose bei Fund")
     )
@@ -42,13 +51,9 @@ class FallenBird(models.Model):
         verbose_name=_("Finder"),
     )
     user = models.ForeignKey(
-        settings.AUTH_USER_MODEL,
-        on_delete=models.CASCADE,
-        verbose_name=_("Benutzer"))
-    status = models.ForeignKey(
-        "BirdStatus",
-        on_delete=models.CASCADE,
-        default=1)
+        settings.AUTH_USER_MODEL, on_delete=models.CASCADE, verbose_name=_("Benutzer")
+    )
+    status = models.ForeignKey("BirdStatus", on_delete=models.CASCADE, default=1)
     aviary = models.ForeignKey(
         Aviary,
         on_delete=models.SET_NULL,
@@ -70,10 +75,7 @@ class FallenBird(models.Model):
 
 class Bird(models.Model):
     id = models.BigAutoField(primary_key=True)
-    name = models.CharField(
-        max_length=256,
-        unique=True,
-        verbose_name=_("Bezeichnung"))
+    name = models.CharField(max_length=256, unique=True, verbose_name=_("Bezeichnung"))
     description = RichTextField(blank=True, null=True)
 
     class Meta:
@@ -100,8 +102,7 @@ class BirdStatus(models.Model):
 
 class Circumstance(models.Model):
     id = models.BigAutoField(primary_key=True)
-    description = models.CharField(
-        max_length=256, verbose_name=_("Bezeichnung"))
+    description = models.CharField(max_length=256, verbose_name=_("Bezeichnung"))
 
     class Meta:
         verbose_name = _("Fundumstand")
diff --git a/app/bird/templates/bird/bird_all.html b/app/bird/templates/bird/bird_all.html
index cc99589..19e96fc 100644
--- a/app/bird/templates/bird/bird_all.html
+++ b/app/bird/templates/bird/bird_all.html
@@ -60,6 +60,7 @@
       <th>Status</th>
       <th>Voliere</th>
       <th>Kosten</th>
+      <th>Alter</th>
     </tr>
   </thead>
   <tbody>
@@ -75,6 +76,7 @@
       <td>{{ bird.status }}</td>
       <td>{{ bird.aviary|default_if_none:"" }}</td>
       <td>{{ bird.total_costs|default_if_none:"0,00" }} &euro;</td>
+      <td>{{ bird.age|default_if_none:"" }}</td>
     </tr>
     {% endfor %}
   </tbody>
diff --git a/app/bird/templates/bird/bird_inactive.html b/app/bird/templates/bird/bird_inactive.html
index f3dc716..dc65af0 100644
--- a/app/bird/templates/bird/bird_inactive.html
+++ b/app/bird/templates/bird/bird_inactive.html
@@ -53,6 +53,7 @@
       <th>Fundort</th>
       <th>Status</th>
       <th>Kosten</th>
+      <th>Alter</th>
     </tr>
   </thead>
   <tbody>
@@ -67,6 +68,7 @@
       <td>{{ bird.place }}</td>
       <td>{{ bird.status }}</td>
       <td>{{ bird.total_costs|default_if_none:"0,00" }} &euro;</td>
+      <td>{{ bird.age|default_if_none:"" }} </td>
     </tr>
     {% endfor %}
   </tbody>
diff --git a/app/bird/templates/bird/bird_single.html b/app/bird/templates/bird/bird_single.html
index f43a671..f4df739 100644
--- a/app/bird/templates/bird/bird_single.html
+++ b/app/bird/templates/bird/bird_single.html
@@ -4,7 +4,8 @@
 {% block content %}
 
 <h3>Patient <strong>{{ bird.bird_identifier }}</strong> bearbeiten </h3>
-<p>Finder des Patienten: <strong> <a href="{% url 'rescuer_single' bird.rescuer_id %}">{{ bird.rescuer|default_if_none:"" }}</a></strong></p>
+<p>Finder des Patienten: <strong> <a href="{% url 'rescuer_single' bird.rescuer_id %}">{{ bird.rescuer|default_if_none:"" }}</a></strong>. 
+    Das Alter des Patienten bei Fund wurde mit <strong>{{ bird.age }}</strong> angegeben.</p>
 <div class="row">
     <div class="col-lg-5 mb-3">
         <form method="post" enctype="multipart/form-data">