Invertebrates
Animals without a backbone, including insects, spiders, worms, and jellyfish, making up most of Earth’s animal species.
Monarch Butterfly
Monarch Butterfly
Scientific Name
Danaus plexippus
Weight LB
0.001 lb
Average Life Span
2–6 weeks (up to 8–9 months for migratory generation)
Fact
A fun fact about monarch butterflies is their incredible, multi-generational migration, where the butterflies flying south in the fall are a special "super generation" that lives up to eight months (much longer than other monarchs) to fly thousands of miles to Mexico or California, a journey none of them have ever made before, relying on the sun and Earth's magnetic field to navigate.
Weight KG
0.0005 kg
Country
United States
Continent
North America
Habitat
Grasslands
Diet
Herbivore
Conservation Status
Endangered
Region
North America, Oceania, South America
Octopus
Octopus
Scientific Name
Octopus vulgaris
Weight LB
0.001 oz to 110 lbs (The Giant Pacific Octopus is the largest)
Average Life Span
1–5 years (depending on the species)
Fact
Two-thirds of an octopus's neurons are actually located in its arms, meaning its limbs can "think," taste, and touch entirely on their own without input from the central brain!
Weight KG
1.4 to 4.5 kg
Continent
Asia
Smith’s Redknee Tarantula
Smith’s Redknee Tarantula
Scientific Name
Brachypelma smithi
Weight LB
0.03–0.06 lb
Average Life Span
Males: 5–10 years, Females: up to 25–30 years
Fact
The most notable fun fact about the Smith's Redknee. Tarantula is its exceptionally long lifespan for a spider, with females living up to 25 to 30 years.
Weight KG
0.015–0.03 kg
Country
China
Continent
Asia
Western Honey Bee
Western Honey Bee
Scientific Name
Apis mellifera
Weight LB
0.00025 lb
Average Life Span
Worker: 5–7 weeks (summer), Queen: 2–5 years
Fact
They use a "waggle dance" to communicate the direction and distance of food sources to other bees.
Weight KG
0.0001 kg
Continent
Europe
Habitat
farms, forests, gardens, Meadows
Diet
Herbivore
Conservation Status
Data Deficient
Region
Asia, Australia, North America, Oceania, South America