diff --git a/backend/src/main/java/com/petshop/backend/service/AppointmentService.java b/backend/src/main/java/com/petshop/backend/service/AppointmentService.java
index 999568a8..9c63733a 100644
--- a/backend/src/main/java/com/petshop/backend/service/AppointmentService.java
+++ b/backend/src/main/java/com/petshop/backend/service/AppointmentService.java
@@ -127,8 +127,6 @@ public class AppointmentService {
             }
         }
 
-        validateSpeciesServiceCompatibility(pet, service);
-
         validateStoreAccess(store.getStoreId(), authenticatedUser);
         validatePetServiceCompatibility(pet, service);
         validateAvailability(employee, service, request.getAppointmentDate(), request.getAppointmentTime(), null);
@@ -387,32 +385,6 @@ public class AppointmentService {
         return true;
     }
 
-    private void validateSpeciesServiceCompatibility(Pet pet, com.petshop.backend.entity.Service service) {
-        if (pet == null || service == null) return;
-        String species = pet.getPetSpecies();
-        if (species == null) return;
-        String serviceName = service.getServiceName().toLowerCase();
-
-        switch (species.toLowerCase()) {
-            case "bird":
-                if (!serviceName.contains("wing clipping") && !serviceName.contains("beak and nail")) {
-                    throw new IllegalArgumentException(
-                        "Service '" + service.getServiceName() + "' is not available for birds. " +
-                        "Allowed services: Wing Clipping, Beak and Nail Care.");
-                }
-                break;
-            case "fish":
-                if (!serviceName.contains("aquarium health")) {
-                    throw new IllegalArgumentException(
-                        "Service '" + service.getServiceName() + "' is not available for fish. " +
-                        "Allowed service: Aquarium Health Check.");
-                }
-                break;
-            default:
-                break;
-        }
-    }
-
     private void validateStoreAccess(Long requestedStoreId, User user) {
         if (user.getRole() != User.Role.STAFF) {
             return;
diff --git a/backend/src/main/resources/db/migration/V7__fix_service_species.sql b/backend/src/main/resources/db/migration/V7__fix_service_species.sql
new file mode 100644
index 00000000..4c22a1b0
--- /dev/null
+++ b/backend/src/main/resources/db/migration/V7__fix_service_species.sql
@@ -0,0 +1,14 @@
+DELETE FROM service_species WHERE serviceId = 2 AND species = 'Bird';
+
+INSERT INTO service_species (serviceId, species) VALUES
+(1, 'Guinea Pig'),
+(1, 'Hamster'),
+(1, 'Other'),
+(2, 'Reptile'),
+(2, 'Other'),
+(3, 'Reptile'),
+(3, 'Other'),
+(4, 'Reptile'),
+(4, 'Other'),
+(5, 'Reptile'),
+(5, 'Other');
diff --git a/web/app/appointments/page.js b/web/app/appointments/page.js
index 58b741f9..876981c6 100644
--- a/web/app/appointments/page.js
+++ b/web/app/appointments/page.js
@@ -20,20 +20,22 @@ const SPECIES_BREEDS = {
   Other: ["Other"],
 };
 
-// Explicit allowlists for species with restricted service availability.
-// Species not listed here may use all services.
-const SPECIES_SERVICE_ALLOWLIST = {
+const SPECIES_EXCLUSIVE_SERVICES = {
   Bird: ["wing clipping", "beak and nail"],
   Fish: ["aquarium health"],
 };
 
 function getAvailableServices(services, species) {
   if (!species) return services;
-  const allowlist = SPECIES_SERVICE_ALLOWLIST[species];
-  if (!allowlist) return services;
-  return services.filter((s) =>
-    allowlist.some((kw) => s.serviceName.toLowerCase().includes(kw))
-  );
+  return services.filter((s) => {
+    const name = s.serviceName.toLowerCase();
+    for (const [exclusiveSpecies, keywords] of Object.entries(SPECIES_EXCLUSIVE_SERVICES)) {
+      if (exclusiveSpecies !== species && keywords.some((kw) => name.includes(kw))) {
+        return false;
+      }
+    }
+    return true;
+  });
 }
 
 const DAYS = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"];