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1. Introduction                                                     4            1                                                                                                                                                                                                            

2. Common name of the crested toad                       5                                                                       

3. How does the crested toad moves                        6                                            

4. Circulation of the crested toad                             7                                                                       

5. Scientific name of the crested toad                      8                  

6. Habitat of crested toad                                       9                                                                                               

7. How does the toad catches its own food?            10                                                                                                                                               

8. How does the toad excrete waste?                      11                                                          

9. Adaptations of the crested toad                          13                                                                                                                                          

10. Enemies of the crested toad                             14

11. Distribution of the crested toad                        15

12. Description in words of the animal                    17

13. How big does the frog grows                            18

14. Reproduction of the crested toad                      19  

15. Interesting facts                                             20        

 16. photos                                                          21     

 17. Biblography                                                   22

                                                             14. Photos

The endangered Puerto Rican crested toad 

(peltophryne lemur),like many amphibians 

world wide , is in critical danger of extinction. 

These toads are unigue and easily identified 

by their tumed up snout and bony head crest  

and include habitat o the toad (Anaxyrus 

marinus).Frogs and toads belong to the order 

Anura (meaning "without a tail", since most 

have no tail in their adult form). They also 

have a very short backbone. 

The common name is crested 

toad

Although shorter and less strong,the 

toad's front legs act as shock 

absorbers when landing.Toads that 

prefer living in water have webbed 

feet for paddling while the webbing 

on a tree.

A true body cavity ( coelom ) is found in Annelids and all 

other higher animals. Hence they need the circulatory 

system for the exchange of nutrients, metabolic wastes 

and respiratory gases between the digestive tract and 

the body wall. The circulatory system can be divided into 

(1) a blood circulatory system and (2) lymph circulatory 

(lymphatic) system. The blood circulatory system 

includes the circulating fluid - the blood, the pathway of 

circulation - the arteries, veins and blood capillaries and 

the central pumping organ - the heart. And its cold 

blooded by

The scientific name its (Peltophryne 

lemur).

Crested toads live in low lying areas 

with rocky crevices or well-drained 

soil. The toad also lives near bodies 

of water,a long   rock 

outcrops,ponds,and vegetated 

islands just off the shore.It can also 

be found in semi-arid climates.

The toad catches insects and other Small food 

animals on the sticky tip of its long tongue. For 

example a fly or cricket passes within reach,the 

toad quickly grabs the insect with his tongue.The 

insect is caught on the sticky tip.Just as quickly 

the toad flips its tongue back into its mouth.And 

he does it like other toads.

The toad excrete waste by doing almost the same process we 

do when we swallow food and that process its called 

digestion.But the toads get rid of their wastes 

so they first the secretion of solid waste by a frog is the final 

byproduct of its digestive process. Most frog species have 

weak teeth and jaw structures that don't allow for effective 

chewing. Most of what is swallowed by a frog is first broken 

down in the stomach by muscular forces and the introduction 

of digestive enzymes. It then moves to the small intestine, 

where bile and pancreatic juices break the food down further 

and allow nutrients to be absorbed into the frog's body. Then 

it moves to the large intestine for the removal of excess 

water. Finally, it moves through the colon to the cloaca for 

evacuation.

. 

The liquid excreted   by a toad 

consists of water combined   with 

ammonia urea or acid Nitrogenous 

substances are filtered from the 

toad's blood by its renal system , 

consisting of two kidneys. The waste 

is channeled through ureters to the 

urinary bladder where   it is amassed  

and then vented to the   as ammonia 

, and excrete this as urea . 

The Puerto Rican crested toad is 

nocturnal or active during nights.It 

escapes the sun's intense heat 

during the day by hidding in holes 

within the limestone outcrops where 

it lives.

Animals that can eat toads for snacks 

includes:snakes,lizards,birds,and 

various small animals like 

hedgehogs.Even underwater frogs 

can't be safe from hungry sharp 

toothed fish,water shrews and even 

diving birds. 

Puerto Rico (Guanica forest) on the 

south coast; Thia ia the only native 

species of toad found in Puerto Rico. 

Captive bred toads have been 

introduced to the south in Coamo, 

and near Arecibo in the north. 

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