Animal Size and Weight Chart

Species	Extra Small	Small	Medium	Large	Extra Large
Cat	< 3 lbs	3.1 -7 lbs	7.1 -11 lbs	11.1-15 lbs	> 15 lbs
Dog	< 5 lbs	5.1 -12 lbs	12.1 -25 lbs	25.1 -80 lbs	> 80 lbs
Rabbit	< 3 lb	3 -5 lbs	5.1 - 8 lbs	8.1 - 15 lbs	> 15 lbs
Guinea Pig	<0.25 lb	0.25 - 1.5 lbs	1.51 - 2.5 lbs	2.51 - 6 lbs	> 6 lbs
Rat	< 50 g	50 - 200 g	201 - 400 g	401 - 500 g	> 500 g
Hamster	< 25 g	25 - 50 g	51 - 100 g	101 - 130 g	> 130 g
Pig	< 40 lb	41 - 80 lb	81 - 200 lb	201 - 400 lb	> 400 lb
Chicken	< 1 lb	1 - 2 lbs	2.1 - 4 lbs	4.1 - 6 lbs	> 6 lbs
Chinchilla	< 200 g	201 - 300 g	301 - 500 g	501 - 800 g	> 800 g
Horse	< 150 lb	151 - 500 lb	501 - 1,000 lb	1,001 - 2,200 lb	> 2,200 lb
Parakeet	< 25 g	26 - 30 g	31 - 35 g	36 - 45 g	> 45 g
Parrot	< 0.25 lb	0.26 - 1 lb	1.1 - 1.5 lb	1.51 - 2.5 lb	> 2.5 lbs
Sheep	< 50 lb	51 - 100 lb	101 - 200 lb	200.1 - 350 lb	> 350 lbs
Snake	< 100 g	0.25 - 3 lb	3.1 - 30 lb	31.1 - 250 lb	> 250 lb
Tortoise	< 1 lb	1.1 - 5 lb	5.1 - 75 lb	75.1 -250 lb	> 250 lb
Turtle	< 1 lb	1.1 - 3 lb	3.1 - 10 lb	10.1 -20 lb	> 20 lbs

Species	Baby	Young	Adult	Senior
Cat	0 - 8 weeks	2 - 12 months	1 year - 7 years	7 years +
Dog	0 - 8 weeks	2 - 12 months	1 year - 7 years	7 years +
Rabbit	0 - 3 months	3 months - 1 year	1 year - 5 years	5 years +
Guinea Pig	0 - 3 months	3 months - 1 year	1 year - 5 years	5 years +
Rat	0 - 60 days	60 days - 6 months	6 months - 1 year	3 years +
Hamster	0-60 days	60 days - 6 months	6 months - 1 year	3 years +
Pig	0 - 8 weeks	2 - 12 months	1 - 10 years	10 years +
Chicken	0 - 4 weeks	4 - 18 weeks	18 weeks - 5 years	5 years +
Chinchilla	0 - 8 weeks	2 - 9 months	9 months - 8 years	8 years +
Horse	0 - 6 months	6 months - 2 years	2 - 20 years	20 years +
Parakeet	0 - 14 days	2 weeks - 16 weeks	16 weeks - 7 years	7 years +
Parrot	0 - 90 days	12 weeks - 5 years	5 years - 55 years	55 years +
Sheep	0 - 3 months	3 - 12 months	1 - 10 years	10 years +
Snake	0 - 3 months	3-12 months	1 - 30 years	30 years +
Tortoise	0 - 6 months	0.5 - 10 years	10 years - 75 years	75 years +
Turtle	0 -6 months	0.5 - 8 years	8 - 20 years	20 years +