Swan, Snake,Spider, Skunk..
If the chicken laying the egg has been fertilised by a rooster then it is possible to get a chick out of the egg if the chicken goes "broody", alas it sits on the egg(s) for days.
sheep
Salmon
spoor
Shrew.
Most hens begin laying eggs at about 16 to 20 weeks old. This depends on the breed and nutritional health of the hen. The hens first egg (s) are often small and can even be yolkless.
Seal or swan.
sow swallow
Stag
Victor Heiman has written: 'The protein requirements of laying hens' -- subject(s): Feeding and feeds, Chickens, Proteins in animal nutrition
Sable antelope and springbok are antelope species in Africa.
a s s, like a donkey. A jackass is a male donkey.