 Gestation takes about 7 months , which suggests a breeding cycle of two to three years . A five @-@ year breeding cycle may also be possible . Usually , they give birth in late summer . B. g. gabonica produces 8 – 43 live young . B. g. rhinoceros may produce as many as 60 . However , the actual number of offspring rarely exceeds 24 . Neonates are 25 – 32 cm in length and weigh 25 – 45 g . 
 Gestation <a href='uninflect' title='1'><mark>takes</mark></a> about 7 months , which <a href='uninflect' title='2'><mark>suggests</mark></a> a breeding cycle of two to three years . A five @-@ year breeding cycle may also be possible . Usually , they give birth in late summer . B. g. gabonica <a href='uninflect' title='3'><mark>produces</mark></a> 8 – 43 live young . B. g. rhinoceros may produce as many as 60 . However , the actual number of offspring rarely <a href='uninflect' title='4'><mark>exceeds</mark></a> 24 . Neonates <a href='drop_aux' title='5'><mark>are</mark></a>25 – 32 cm in length and weigh 25 – 45 g . 
Gestation take abt 7 months , which suggest a breeding cycle of two to three years . A five @-@ year breeding cycle may also be possible . Usually , they give birth in late summer . B. g. gabonica produce 8 – 43 live young . B. g. rhinoceros may produce as many as 60 . However , the actual number of offspring rarely exceed 24 . Neonates 25 – 32 cm in length and weigh 25 – 45 g .