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Castoroides, or giant beaver, is an extinct genus of enormous beavers that lived in North America during the Pleistocene. C. leiseyorum and its northern sister species Castoroides ohioensis, were the largest beavers to ever exist.

The giant beaver looked similar to modern beavers, but as the name implies, was considerably larger; it grew over 2.4 m in length — making it the largest rodent in North America during the last ice age and the largest known beaver. It weighed roughly 60 to 100 kg, the size of a modern black bear. Its hind feet were much larger than in modern beavers, but because soft tissues decay, it is not known whether its tail resembled the tails in modern beavers, and it can only be assumed that its feet were webbed like in modern species.

The incisors were 15 cm long, and had blunt, rounded tips, in contrast to the chisel-like tips found in modern beaver cutting teeth. The molars were well adapted to grinding, and resembled those of capybaras with an S-shaped pattern on the grinding surfaces.

One of the important anatomical differences between the giant beaver and modern beaver species, besides size, is the structure of their teeth. Modern beavers have chisel-like incisor teeth for gnawing on wood. The teeth of the giant beaver are bigger and broader, and grew to about 15 cm long.  In addition, the tail of the giant beaver must have been longer but narrower and its hind legs shorter. Castoroides ohioensis reached a length of up to 2.5 m  and an estimated weight of 60-100 kg; past estimates went up to 220 kg. It lived in North America during the Pleistocene epoch and went extinct at the end of the last Ice Age, 12,000 years ago.

C. leiseyorum also reached close to 2.5 m and an estimated weight of 60 to 100 kg.

Fossils of the older species, C. leiseyorum, from Florida are from 1.4 Mya, while fossils of the younger species, C. ohioensis, from Toronto, Ontario, and the Old Crow Basin, Yukon Territory, are 130,000 years old, but the giant beaver may have died out about 10,000 years ago, along with several other American species, such as mammoths, mastodons, and ice-age horses. Giant beavers were most abundant south of the Great Lakes in present-day Indiana and Illinois.

The extinction of the giant beaver may have been caused by ecological restructuring at the end of the Pleistocene. The arrival of humans in the Americas could have been a factor, but there is no evidence that humans hunted the giant beaver. It was one of the abundant Pleistocene megafauna—a wide variety of very large mammals that lived during the Pleistocene.

From Wikipedia, the free encyclopedia

It is currently the second most strongest creature in the "Glacier" Park, coming second to the fearsome Indricotherium.

It was at first only purchasable in real-world money. Since June 24th 2016, it was meant to become a DNA tournament limited edition. However, due to the tournament resetting, it didn't appear. However, it will be a DNA tournament for it starting July 8th, 2016.

Battle Weakness: Bite

Images

Battle Class: Gold

Information

Cost and Time to Hatch
Availability Market
DNA Research 0 x0
Placement Cost $24.99
Incubation Time 22:04:00
XP 43
Dimensions 8x8

Initial Message: Castoroides "of the beaver family" swam the lakes and rivers of the Pliocene and Pleistocene.

First Evolution Message: Unlike its modern cousin, Castoroides was 200 pounds and 8 feet tall.

Second Evolution Message: Sadly, there is no evidence to determine if the Castoroides built giant dams in prehistoric times.

Third Evolution Message: Castoroides had a long narrow tail making the flat appearance of modern beaver tails a recent adaption.

Level-Based Stats

Level Unmodified Earning Rates (7 Hours) Feeding Costs (Crops) Ferocity Life Attack
1 0 (0 / Hour) Coins 490 (x5 = 2,450) Glacier Crops  ? N/A Life N/A - N/A Attack
2 5,404 (772 / Hour) Coins 812 (x5 = 4,060) Glacier Crops  ? N/A Life N/A - N/A Attack
3 5,908 (844 / Hour) Coins 1,134 (x5 = 5,670) Glacier Crops  ? N/A Life N/A - N/A Attack
4 6,405 (915 / Hour) Coins 1,457 (x5 = 7,285) Glacier Crops  ? N/A Life N/A - N/A Attack
5 6,909 (987 / Hour) Coins 1,779 (x5 = 8,895) Glacier Crops  ? 1,164 Life 63 - 381 Attack
6 7,413 (1,059 / Hour) Coins 2,101 (x5 = 10,505) Glacier Crops  ? 1,397 Life 75 - 453 Attack
7 7,917 (1,131 / Hour) Coins 2,424 (x5 = 12,120) Glacier Crops  ? 1,630 Life 87 - 525 Attack
8 8,421 (1,203 / Hour) Coins 2,746 (x5 = 13,730) Glacier Crops  ? 1,862 Life 100 - 604 Attack
9 8,918 (1,274 / Hour) Coins 3,069 (x5 = 15,345) Glacier Crops  ? 2,095 Life 112 - 676 Attack
10 9,422 (1,346 / Hour) Coins Evolve: 25,000 Coins per attempt  ? 2,328 Life 126 - 756 Attack
11 11,315 (1,616 / Hour) Coins 3,713 (x5 = 18,565) Glacier Crops  ? 2,561 Life 138 - 828 Attack
12 11,890 (1,699 / Hour) Coins 4,036 (x5 = 20,180) Glacier Crops  ? 2,793 Life 150 - 900 Attack
13 12,464 (1,781 / Hour) Coins 4,358 (x5 = 21,790) Glacier Crops  ? 3,026 Life 163 - 979 Attack
14 13,031 (1,862 / Hour) Coins 4,681 (x5 = 23,405) Glacier Crops  ? 3,259 Life 175 - 1,051 Attack
15 13,605 (1,944 / Hour) Coins 5,003 (x5 = 25,015) Glacier Crops  ? 3,492 Life 188 - 1,130 Attack
16 14,180 (2,026 / Hour) Coins 5,325 (x5 = 26,625) Glacier Crops  ? 3,724 Life 200 - 1,202 Attack
17 14,755 (2,108 / Hour) Coins 5,648 (x5 = 28,240) Glacier Crops  ? 3,957 Life 213 - 1,281 Attack
18 15,329 (2,190 / Hour) Coins 5,970 (x5 = 29,850) Glacier Crops  ? 4,190 Life 225 - 1,353 Attack
19 15,896 (2,271 / Hour) Coins 6,293 (x5 = 31,465) Glacier Crops  ? 4,423 Life 237 - 1,425 Attack
20 16,470 (2,353 / Hour) Coins Evolve: 35,000 Coins per attempt  ? 4,655 Life 250 - 1,504 Attack
21 14,952 (2,136 / Hour) Coins 6,937 (x5 = 34,685) Glacier Crops 682 4,888 Life 262 - 1,576 Attack
22 15,455 (2,208 / Hour) Coins 7,260 (x5 = 36,300) Glacier Crops 715 5,121 Life 276 - 1,656 Attack
23 15,953 (2,279 / Hour) Coins 7,582 (x5 = 37,910) Glacier Crops 747 5,354 Life 288 - 1,728 Attack
24 16,457 (2,351 / Hour) Coins 7,905 (x5 = 39,525) Glacier Crops 780 5,586 Life 300 - 1,800 Attack
25 16,961 (2,423 / Hour) Coins 8,227 (x5 = 41,135) Glacier Crops 812 5,819 Life 313 - 1,879 Attack
26 17,465 (2,495 / Hour) Coins 8,549 (x5 = 42,745) Glacier Crops 845 6,052 Life 325 - 1,951 Attack
27 17,969 (2,567 / Hour) Coins 8,872 (x5 = 44,360) Glacier Crops 877 6,285 Life 338 - 2,030 Attack
28 18,466 (2,638 / Hour) Coins 9,194 (x5 = 45,970) Glacier Crops 909 6,517 Life 350 - 2,102 Attack
29 18,970 (2,710 / Hour) Coins 9,517 (x5 = 47,585) Glacier Crops 942 6,750 Life 362 - 2,174 Attack
30 19,474 (2,782 / Hour) Coins Evolve: 50,000 Coins per attempt 974 6,983 Life 375 - 2,253 Attack
31 19,978 (2,854 / Hour) Coins 10,161 (x5 = 50,805) Glacier Crops 1,007 7,216 Life 387 - 2,325 Attack
32 20,482 (2,926 / Hour) Coins 10,484 (x5 = 52,420) Glacier Crops 1,039 7,448 Life 400 - 2,404 Attack
33 20,979 (2,997 / Hour) Coins 10,806 (x5 = 54,030) Glacier Crops 1,072 7,681 Life 412 - 2,476 Attack
34 21,483 (3,069 / Hour) Coins 11,129 (x5 = 55,645) Glacier Crops 1,104 7,914 Life 426 - 2,556 Attack
35 0 (0 / Hour) Coins 0 (x5 = 0) Glacier Crops 1,137  ? Life  ? - ? Attack
36 0 (0 / Hour) Coins 0 (x5 = 0) Glacier Crops 1,169  ? Life  ? - ? Attack
37 0 (0 / Hour) Coins 0 (x5 = 0) Glacier Crops 1,202  ? Life  ? - ? Attack
38 0 (0 / Hour) Coins 0 (x5 = 0) Glacier Crops 1,234  ? Life  ? - ? Attack
39 0 (0 / Hour) Coins 0 (x5 = 0) Glacier Crops 1,267  ? Life  ? - ? Attack
40 0 (0 / Hour) Coins MAX 1,299 1 Life  ? - ? Attack
  • Total Crops to Max: 888,310


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