diff --git a/ReinoAnimal/.idea/vcs.xml b/ReinoAnimal/.idea/vcs.xml
new file mode 100644
index 0000000..6c0b863
--- /dev/null
+++ b/ReinoAnimal/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/ReinoAnimal/ReinoAnimal.iml b/ReinoAnimal/ReinoAnimal.iml
new file mode 100644
index 0000000..c90834f
--- /dev/null
+++ b/ReinoAnimal/ReinoAnimal.iml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/ReinoAnimal/src/Animal.java b/ReinoAnimal/src/Animal.java
new file mode 100644
index 0000000..a425d08
--- /dev/null
+++ b/ReinoAnimal/src/Animal.java
@@ -0,0 +1,35 @@
+public class Animal {
+
+    private String especie;
+
+    private String filo;
+
+    private String genero;
+
+    private String classe;
+
+    private int anoNascimento;
+
+    public Animal(String especie, String classe) {
+        this.especie = especie;
+        this.classe = classe;
+    }
+
+    public void dormir() {
+        System.out.println("Dormindo...");
+    }
+
+    public void mover(int velocidadeEmMilimetrosPorSegundo) {
+        System.out.println("Movendo-se a "
+                + velocidadeEmMilimetrosPorSegundo
+                + " mm/s...");
+    }
+
+    public void comer() {
+        System.out.println("Comendo...");
+    }
+
+    public String getEspecie() {
+        return especie;
+    }
+}
diff --git a/ReinoAnimal/src/Cachorro.java b/ReinoAnimal/src/Cachorro.java
new file mode 100644
index 0000000..63a6206
--- /dev/null
+++ b/ReinoAnimal/src/Cachorro.java
@@ -0,0 +1,25 @@
+public class Cachorro extends Mamifero {
+
+    public Cachorro() {
+        super("Canídeo");
+    }
+
+    private String raca;
+
+    public void roerOsso() {
+        System.out.println("Roendo osso...");
+    }
+
+    public void latir(int volumeEmDecibeis) {
+        System.out.println("Latindo a " + volumeEmDecibeis + "decibéis...");
+    }
+
+    @Override
+    public void emitirSom() {
+        latir(20);
+    }
+
+    public void pular() {
+        System.out.println("Pulando...");
+    }
+}
diff --git a/ReinoAnimal/src/Mamifero.java b/ReinoAnimal/src/Mamifero.java
new file mode 100644
index 0000000..b585dd6
--- /dev/null
+++ b/ReinoAnimal/src/Mamifero.java
@@ -0,0 +1,17 @@
+public class Mamifero extends Animal {
+
+    public Mamifero(String especie) {
+        super(especie, "Mamífero");
+    }
+
+    @Override
+    public void comer() {
+        System.out.println("Bebendo leite...");
+    }
+
+    public void emitirSom() {
+        System.out.println("Emitindo algum som genérico de mamífero...");
+    }
+
+
+}
diff --git a/ReinoAnimal/src/Morcego.java b/ReinoAnimal/src/Morcego.java
new file mode 100644
index 0000000..6c8b802
--- /dev/null
+++ b/ReinoAnimal/src/Morcego.java
@@ -0,0 +1,15 @@
+public class Morcego extends Mamifero {
+
+    public Morcego() {
+        super("Morceguídeo");
+    }
+
+    public void voar() {
+        System.out.println("Voando...");
+    }
+
+    @Override
+    public void emitirSom() {
+        System.out.println("Emitindo ultrassom de morcego...");
+    }
+}
diff --git a/ReinoAnimal/src/Principal.java b/ReinoAnimal/src/Principal.java
new file mode 100644
index 0000000..7e64c3d
--- /dev/null
+++ b/ReinoAnimal/src/Principal.java
@@ -0,0 +1,30 @@
+public class Principal {
+
+    public static void main(String[] args) {
+
+        Zoologico zoo = new Zoologico();
+
+        Cachorro caozinho1 = new Cachorro();
+        Cachorro caozinho2 = new Cachorro();
+        Morcego morcego1 = new Morcego();
+        Zebra zebra1 = new Zebra();
+
+        Animal animalEstranho = new Animal(
+                "Ornitorrinco da Montanha", "Nem Ele Sabe");
+
+        zoo.incluirAnimal(caozinho1);
+        zoo.incluirAnimal(caozinho2);
+        zoo.incluirAnimal(morcego1);
+        zoo.incluirAnimal(zebra1);
+
+//        zoo.incluirAnimal(animalEstranho);  // não seria aceito!
+
+        for (int i = 0; i < 10; i++) {
+            Mamifero mamiferoSorteado = zoo.sortearBicho();
+            System.out.println("\n" + mamiferoSorteado.getEspecie());
+            mamiferoSorteado.emitirSom();
+        }
+
+//        mamiferoSorteado.latir(80);  // não seria aceito, porque alguns Mamiferos não sabem latir!
+    }
+}
diff --git a/ReinoAnimal/src/Zebra.java b/ReinoAnimal/src/Zebra.java
new file mode 100644
index 0000000..fb6cfb2
--- /dev/null
+++ b/ReinoAnimal/src/Zebra.java
@@ -0,0 +1,8 @@
+public class Zebra extends Mamifero {
+
+    public Zebra() {
+        super("Zebra");
+    }
+
+
+}
diff --git a/ReinoAnimal/src/Zoologico.java b/ReinoAnimal/src/Zoologico.java
new file mode 100644
index 0000000..f325a1a
--- /dev/null
+++ b/ReinoAnimal/src/Zoologico.java
@@ -0,0 +1,22 @@
+import java.util.ArrayList;
+import java.util.Random;
+
+public class Zoologico {
+
+    private static Random random = new Random();
+
+    private ArrayList<Mamifero> bichos;
+
+    public Zoologico() {
+        this.bichos = new ArrayList<>();
+    }
+
+    public Mamifero sortearBicho() {
+        int posicao = random.nextInt(this.bichos.size());
+        return this.bichos.get(posicao);
+    }
+
+    public void incluirAnimal(Mamifero bicho) {
+        this.bichos.add(bicho);
+    }
+}