diff --git a/src/main/java/com/kamco/cd/kamcoback/postgres/core/AnimalCoreService.java b/src/main/java/com/kamco/cd/kamcoback/postgres/core/AnimalCoreService.java
index b6f74997..bf72b375 100644
--- a/src/main/java/com/kamco/cd/kamcoback/postgres/core/AnimalCoreService.java
+++ b/src/main/java/com/kamco/cd/kamcoback/postgres/core/AnimalCoreService.java
@@ -2,7 +2,9 @@ package com.kamco.cd.kamcoback.postgres.core;
 
 import com.kamco.cd.kamcoback.common.service.BaseCoreService;
 import com.kamco.cd.kamcoback.postgres.entity.AnimalEntity;
+import com.kamco.cd.kamcoback.postgres.entity.ZooEntity;
 import com.kamco.cd.kamcoback.postgres.repository.AnimalRepository;
+import com.kamco.cd.kamcoback.postgres.repository.ZooRepository;
 import com.kamco.cd.kamcoback.zoo.dto.AnimalDto;
 import jakarta.persistence.EntityNotFoundException;
 import lombok.RequiredArgsConstructor;
@@ -17,6 +19,7 @@ public class AnimalCoreService
         implements BaseCoreService<AnimalDto.Basic, Long, AnimalDto.SearchReq> {
 
     private final AnimalRepository animalRepository;
+    private final ZooRepository zooRepository;
 
     @Transactional(readOnly = true)
     public AnimalDto.Basic getDataByUuid(String uuid) {
@@ -33,7 +36,18 @@ public class AnimalCoreService
     // AddReq를 받는 추가 메서드
     @Transactional
     public AnimalDto.Basic create(AnimalDto.AddReq req) {
-        AnimalEntity entity = new AnimalEntity(req.getCategory(), req.getSpecies(), req.getName());
+        ZooEntity zoo = null;
+        if (req.getZooId() != null) {
+            zoo =
+                    zooRepository
+                            .getZooByUid(req.getZooId())
+                            .orElseThrow(
+                                    () ->
+                                            new EntityNotFoundException(
+                                                    "Zoo not found with id: " + req.getZooId()));
+        }
+        AnimalEntity entity =
+                new AnimalEntity(req.getCategory(), req.getSpecies(), req.getName(), zoo);
         AnimalEntity saved = animalRepository.save(entity);
         return saved.toDto();
     }
diff --git a/src/main/java/com/kamco/cd/kamcoback/postgres/entity/AnimalEntity.java b/src/main/java/com/kamco/cd/kamcoback/postgres/entity/AnimalEntity.java
index 71c58fda..8844d135 100644
--- a/src/main/java/com/kamco/cd/kamcoback/postgres/entity/AnimalEntity.java
+++ b/src/main/java/com/kamco/cd/kamcoback/postgres/entity/AnimalEntity.java
@@ -8,9 +8,12 @@ import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
 import jakarta.persistence.EnumType;
 import jakarta.persistence.Enumerated;
+import jakarta.persistence.FetchType;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
 import jakarta.persistence.Table;
 import java.util.UUID;
 import lombok.AccessLevel;
@@ -41,13 +44,18 @@ public class AnimalEntity extends CommonDateEntity {
     private String name;
     private Boolean isDeleted;
 
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "zoo_id")
+    private ZooEntity zoo;
+
     // Construct
-    public AnimalEntity(Category category, Species species, String name) {
+    public AnimalEntity(Category category, Species species, String name, ZooEntity zoo) {
         this.uuid = UUID.randomUUID();
         this.category = category;
         this.species = species;
         this.name = name;
         this.isDeleted = false;
+        this.zoo = zoo;
     }
 
     public AnimalDto.Basic toDto() {
diff --git a/src/main/java/com/kamco/cd/kamcoback/zoo/dto/AnimalDto.java b/src/main/java/com/kamco/cd/kamcoback/zoo/dto/AnimalDto.java
index 79dcf7bb..335079b1 100644
--- a/src/main/java/com/kamco/cd/kamcoback/zoo/dto/AnimalDto.java
+++ b/src/main/java/com/kamco/cd/kamcoback/zoo/dto/AnimalDto.java
@@ -23,6 +23,7 @@ public class AnimalDto {
         private Category category;
         private Species species;
         private String name;
+        private Long zooId; // 동물원 ID (선택)
     }
 
     @Getter